1. HHV-6 Foundation; Santa Barbara CA USA
2. Department of Virology; Helsinki University Hospital; Helsinki University; Helsinki Finland
3. Division of Infectious Diseases; Department of Medicine and the William J von Liebig Center for Transplantation and Clinical Regeneration; College of Medicine; Mayo Clinic; Rochester MN USA
4. Department of Pediatrics; Transplant Infectious Diseases; Baylor College of Medicine; Texas Children's Hospital; Houston TX USA