Kidney Failure, Chronic

• Children's National Medical Cetner — Washington D.C., District of Columbia, United States

• University of Washington — Seattle, Washington, United States

• Etobicoke General Hospital — Brampton, Ontario, Canada
• Toronto General Hospital — Toronto, Ontario, Canada

• Sanatorio Italiano — Asunción, Paraguay

• Norko Ammerman — Los Angeles, California, United States

• Department of Clinical Sciences, Umeå University — Umeå, Sweden

Not specified

• FundeSalud. Junta de Extremadura — Mérida, Badajoz, Spain
• Hospital Virgen del Puerto — Plasencia, Cáceres, Spain
• Hospital San Pedro de Alcántara — Cáceres, Spain

• University of North Carolina-Chapel Hill — Chapel Hill, North Carolina, United States
• Ohio State Adult Sickle Cell Program — Columbus, Ohio, United States
• UTHSC Center for Sickle Cell Disease — Memphis, Tennessee, United States

• Clinical Research Centre for Rare Diseases Aldo e Cele Daccò — Ranica, BG, Italy