Potassium >= 3.5 mmol/L (within institutional normal range, or correctable with supplements), within 14 days of registration Potassium within normal range, or correctable with supplements; within 14 days start of study start Potassium > lower limit of normal (LLN) or correctable with supplements prior to first dose of study medication Magnesium > LLN or correctable with supplements prior to first dose of study medication Total calcium (corrected for serum albumin) >= LLN or correctable with supplements prior to first dose of study medication 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 14 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 Magnesium > lower limit of normal (LLN) or correctable with supplements Calcium (after correction for albumin level) > LLN or correctable with supplements Potassium within normal range or corrected with supplements Potassium within normal range, or correctable with supplements; Selected electrolytes within normal limits or correctable with supplements.