Kidney Disease

• Dialysis Facilities throughout the State of Georgia, ESRD Network 6 — Atlanta, Georgia, United States

• Research Site — Atlanta, Georgia, United States
• Research Site — Chicago, Illinois, United States
• Research Site — Lebanon, New Hampshire, United States
• Research Site — Cleveland, Ohio, United States

• Hennepin County Medical Center — Minneapolis, Minnesota, United States
• University of Minnesota — Minneapolis, Minnesota, United States

• GSK Investigational Site — Christchurch, New Zealand

• University of Colorado at Denver — Aurora, Colorado, United States

• GSK Investigational Site — Melbourne, Victoria, Australia

• Doernbecher Children's Hospital /OHSU — Portland, Oregon, United States

• Cardiopulmonary Physiotherapy Laboratory of UFPE — Recife, Pernambuco, Brazil

Not specified

• Beijing Friendship Hospital,Capital Medical University — Beijing, China
• China PLA General Hospital (301 hospital) — Beijing, China