Potassium >= . mmol/L (within institutional normal range, or correctable with supplements), within days of registration Serum potassium within normal range. Serum potassium within normal range. Potassium within normal range (supplementation is allowed) Within days prior to treatment start: Potassium within institutional normal range Potassium and magnesium within normal range, patients may receive supplements to meet this requirement Potassium within normal range, or correctable with supplements; within days start of study start Potassium > lower limit of normal (LLN) or correctable with supplements prior to first dose of study medication Potassium between range of . to . Potassium in normal range\r\n* Patients with hypokalemia at screening must be corrected prior to initiating treatment Potassium within normal institutional range, or correctable with supplements Potassium within normal range or correctable with supplements Magnesium within normal range or correctable with supplements Corrected serum calcium within normal range, or correctable with supplements Potassium within normal range, or correctable with supplements, Potassium within normal limits or correctable with supplements. Within days of study start: Potassium within normal range, or correctable with supplements Potassium within normal range, or correctable with supplements Potassium within normal range, or correctable with supplements Potassium within normal limits or correctable with supplements Potassium within normal range or corrected with supplements Potassium within normal range, or correctable with supplements; Potassium within institutional range, obtained within days prior to treatment start