Author information:
(1)Division of Medical Genetics, Kanagawa Children's Medical Center, Yokohama, 
Japan.
(2)Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama, 
Japan.
(3)Division of Hematology/Oncology, Kanagawa Children's Medical Center, 
Yokohama, Japan.
(4)Department of Clinical Laboratory, Kanagawa Children's Medical Center, 
Yokohama, Japan.
(5)Department of Medical Genetics and Genomics, Sapporo Medical University 
School of Medicine, Sapporo, Japan.
(6)Graduate School of Medicine, Tohoku University, Sendai, Japan.
(7)Division of Medical Genetics, Gunma Children's Medical Center, Gunma, Japan.
(8)Department of Pediatrics, Jikei University School of Medicine, Tokyo, Japan.
(9)Children's Medical Center, Northern Yokohama Hospital, Showa University, 
Yokohama, Japan.
(10)Division of Clinical Genetics and Cytogenetics, Shizuoka Children's 
Hospital, Shizuoka, Japan.
(11)Tanaka Growth Clinic, Tokyo, Japan.
(12)Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan.
(13)Department of Clinical Genetics, Kurashiki Central Hospital, Kurashiki, 
Japan.
(14)Department of Gynecology, Shikoku Medical Center for Children and Adults, 
Kagawa, Japan.
(15)Department of Genome Medicine, National Center for Child Health and 
Development, Tokyo, Japan.
(16)Center for Medical Genetics, Keio University School of Medicine, Tokyo, 
Japan.
(17)Genetic Counseling Program, Graduate School of Health and Welfare, Kawasaki 
University of Medical Welfare, Kurashiki, Japan.