Kidney Failure, Chronic

• Research Facility — Birmingham, Alabama, United States
• Research Facility — Pine Bluff, Arkansas, United States
• Research Facility — Los Angeles, California, United States
• Research Facility — Mountain View, California, United States

• Research Facility — Bialystok, Poland
• Research Facility — Gdansk, Poland
• Research Facility — Katowice, Poland
• Research Facilities — Krakow, Poland

• Research Facility — London, United Kingdom

• Pfizer Investigational Site — Orlando, Florida, United States
• Pfizer Investigational Site — Minneapolis, Minnesota, United States

• Hospital Sultanah Bahiyah Haemodialysis Unit KM 6 Jalan Langgar — Alor Star, Kedah, Malaysia
• Hemodialysis Unit, Raja Perempuan Zainab II Hospital — Kota Bharu, Kelantan, Malaysia
• Haemodialysis Unit, Melaka Hospital — Malacca, Melaka, Malaysia
• Hemodialysis Unit, Tengku Ampuan Afzan Hospital — Kuantan, Pahang, Malaysia

• Orlando, Florida, United States

Not specified

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

• The Alfred Hospital — Melbourne, Victoria, Australia
• John Paull II Hosptial — Cracow, Poland

• Rikshospitalet, Section of Nephrology — Oslo, Norway