Heart Transplant Rejection

• Transplantation Center, Sahlgrenska University Hospital — Gothenburg, Sweden
• Pediatric Heart Center, The Queen Silvia Children's Hospital, Sahlgrenska University Hospital — Gothenburg, Sweden
• Pediatric Heart Center, Skåne University Hospital — Lund, Sweden
• Pediatric Heart Center, Karolinska University Hospital — Stockholm, Sweden

Not specified

• Hopital Necker — Paris, France

• Mayo Clinic Arizona — Phoenix, Arizona, United States
• Baptist Health Arkansas — Little Rock, Arkansas, United States
• University of California San Diego — La Jolla, California, United States
• Cedars-Sinai Medical Center — Los Angeles, California, United States

• Natera — San Carlos, California, United States

• Hospital Universitario Puerta de Hierro Majadahonda — Majadahonda, Madrid, Spain
• Hospital General Universitario Gregorio Marañon — Madrid, Spain
• Hospital Universitario 12 de Octubre — Madrid, Spain