A medical or psychiatric illness that precludes ability to give informed consent or is likely to interfere with the ability to comply with the protocol stipulations Ability to give informed consent. Ability and willingness to give informed consent. Willingness and ability to give informed consent Ability to give informed consent ability to consent Ability to give informed consent Patients must have the ability to give informed consent Ability to give informed consent Patients must have the ability to give informed consent Ability to give informed consent Patients must have the ability able to give informed consent Ability to give informed consent DONOR: Ability to give informed consent Willingness and ability to consent Patients must demonstrate the ability and willingness to give informed consent. Ability to give informed consent Ability to consent Ability and willingness to give informed consent Ability and willingness to participate in the informed consent process and including signing a copy of the informed consent form Ability to read and understand the informed consent form and willingness and ability to give informed consent and demonstrate comprehension of the trial before undergoing any trial activities Ability to give informed consent Ability and willing to give consent Willingness and ability to give informed consent DONOR: Ability to give informed consent Ability to give informed consent DONOR: Ability to give informed consent Ability to give informed consent Ability and willingness to give informed consent Ability and willingness to give informed consent and ability to return to the study clinic during the study period Ability to give informed consent Lack of ability or willingness to give informed consent Patients must have the ability to give informed consent Patients must have the ability to give informed consent Lack of ability or willingness to give informed consent. A medical or psychiatric illness that precludes ability to give informed consent or is likely to interfere with the ability to comply with the protocol stipulations DONOR: Ability to give informed consent Lack of ability to give informed consent Ability to give informed consent Ability to give informed consent. Ability to give informed consent For donors >= 18 years of age, ability to give informed consent Neurocognitive deficits that impair ability to give informed consent Ability to give informed consent Patients do not have the ability to give informed consent Ability and willingness to give informed consent Have the ability to give informed consent Willingness and ability to give informed consent Ability to give informed consent