Active infection that requires systemic treatment Subject has an active infection Patients with a clinically apparent active infection will not be eligible (please note, an isolated elevation in the white blood cell count, by itself, does not constitute evidence of an infection) Active infection Has an active systemic infection Active infection Active serious infection Active infection not adequately responding to appropriate therapy Active infection Evidence of active infection Patients with active infection Recent (< 4 weeks) active, documented, cervical infection Patients with active infection Active infection of any kind. DONOR: Evidence of active infection No active or uncontrollable infection. Active infection Active infection or corneal ulcer (e.g. keratitis) Active or incompletely treated local infection at the planned treatment site(s) and/or systemic infection Active uncontrolled infection or severe systemic infection (enrollment is possible after control of infection). Active infection, including any active viral infection, =< 5 days prior to registration DONOR: Active infection Patients with active systemic, pulmonary, or pericardial infection Active infection Active infection or corneal ulcer DONOR: Active infection Active infection Ongoing or active systemic infection or active hepatitis B or C virus infection No active or uncontrollable infection HIV infection, active Hepatitis B or C infection, or active infections requiring oral or intravenous antibiotics or that can cause a severe disease and pose a severe danger to lab personnel working on patients' blood or tissue. If positive test results are not indicative of an active infection, patients can be included. Active infection Active infection not adequately responding to appropriate therapy Active infection =< 5 days prior to registration Active systemic, pulmonary, or pericardial infection Patients with active infection Active infection DONOR: Evidence of active infection Active infection not responding to appropriate therapy as determined by study chair Active infection that is not responding to antimicrobial therapy TREATMENT: Patients with severe active infection No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month Active herpes zoster infection Active infection =< 5 days prior to registration Patients with active infection No active infection Evidence of active infection or serious infection within the past month RECIPIENT: Active infection refractory to antimicrobial therapy Active systemic infection No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month Active infection Active and uncontrolled infection at time of transplantation including active infection with Aspergillus or other mold, or human immunodeficiency virus (HIV) infection Active systemic, pulmonary, or pericardial infection Active infection that is not responding to antimicrobial therapy Active infection at time of transplantation (including active infection with Aspergillus or other mold within 30 days) Active infection at time of transplantation (including active infection with aspergillus or other mold within 30 days) Current active serious infection Patients with active systemic, pulmonary, or pericardial infection Serious active infection Active infection. Patients with an active infection Subjects with bacteremia with documented microbiological evidence of another source of infection (eg, osteomyelitis, pneumonia, skin infection, urinary tract infection, joint infection, or abdominal infection) known to be due to the same organism cultured from the blood; Active infection, chronic or severe infection requiring ongoing antimicrobial therapy. Evidence of active infection, or serious infection within the past month Active infection Active infection =< 5 days prior to registration Active infection at time of transplantation (including active infection with Aspergillus or other mold within 30 days) Active infection Active infection not adequately responding to appropriate therapy. Patients with active infection are ineligible Active infection =< 5 days prior to registration Active serious infection Patient may have no active uncontrollable systemic infection Active ear/sinus infection Patients with active infection Subjects with an active infection Active infection that is not responding to antimicrobial therapy They have active diarhhea. Active infection Active infection Active, unresolved infection Active infection or corneal ulcer (e.g., keratitis) Evidence of active infection within 2 weeks prior to first dose of study treatment. Patients are ineligible if they have an active infection Active infection; Active infection not adequately responding to appropriate therapy. Active infection (any infection requiring treatment). Infection Patients with an active infection. No active systemic, pulmonary, or pericardial infection Current systemic infection or suspicion of active bacterial infection Active infection Active and uncontrolled infection; patients with an active infection receiving treatment and hemodynamically stable for 48 hours may be entered into the study Patient has evidence of active systemic, pulmonary, or pericardial infection. Evidence of active infection or serious infection (e.g., septic shock with multi-organ dysfunction) within the past month Active unresolved infection Active infection (any infection requiring treatment). Active, unresolved infection No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month Active herpes simplex or herpes zoster. Subjects on prophylaxis for herpes who started taking medication at least 30 days prior to study entry, and have no active signs of active infection, and whose last active infection was more than 6 months ago, may enter the study, and should continue to take the prescribed medication for the duration of the study. Current evidence of invasive fungal infection (blood or tissue culture); patients with recent fungal infection must have a subsequent negative cultures to be eligible; known HIV (new testing not required) or evidence of active hepatitis B or C infection (with rising transaminase values) Active serious infection Active infection Known active infection, or major episode of infection within 4 week prior to the start of Cycle 1 Serious active infection or gastrointestinal disease Active infection\r\n* Active infection includes patients with positive blood cultures No active infection Active systemic infection Active infection that is not responding to antimicrobial therapy Active and uncontrolled infection at time of transplantation including active infection with Aspergillus or other mold, or human immunodeficiency virus (HIV) infection Active infection Active systemic infection Any evidence of serious active infection. Known active systemic infection (Grade ?2). No evidence of active infection and no serious infection within the past month Evidence of active infection, or serious infection within the past month Active, clinically serious infection greater than CTCAE grade 2. Patients may be eligible upon resolution of the infection. Acute, active infection within 14 days of enrollment Patients with active lung infection or active pulmonary edema Active serious infection (pulmonary infiltrates or lesions are allowed only after the appropriate diagnostic testing is negative for infection or appropriate therapy was initiated for probable infection) Concurrent, acute, active infection, or treatment for infection, other than oral thrush or genital herpes, within 14 days of enrollment Active infection No active infection Infection:\r\n* Local infection at the puncture site\r\n* Systemic infection, osteomyelitis, discitis Active infection Concurrent active infection Patients with active infection at time of biopsy No active infection Active infection. Known active infection. Infection Active infection Patients should not have any clinical evidence of an active infection at the time of enrollment Patients with active pulmonary or pericardial infection Known active infection Evidence of active infection Infection Infection A serious active infection (> grade 2) within 7 days of enrollment Currently active infection Active systemic, pulmonary, or pericardial infection Documented or suspected infection Active infection that is not responding to antimicrobial therapy Active infection Serious active infection at the time of pre-study screening. Active infection Active infection with hepatitis A, B, or C; active infection is defined as serologic positivity and elevated liver function tests Active infection Active lung infection EXCLUSION - STUDY 1: Active infection Active Infection Active cutaneous infection or inflammation Local or systemic infection Patients must not have an active infection Active systemic infection Active infection at time of transplantation (including active infection with aspergillus or other mold within 30 days) Active infection. Active systemic infection or skin infection at or near the acupuncture sites Clinically active infection; an active infection may alter the biodistribution of 18F-FLT Evidence of active infection within 14 days of study enrollment No active skin infection Recognized concurrent active infection Active infection Active infection Patients with active systemic, pulmonary, or pericardial infection Patients that have recognized concurrent active infection Active infection Active infection Active infection (any infection requiring treatment).