1. Department of Molecular Biology, International University of Health and Welfare, School of Medicine, Narita, Chiba, Japan.
2. Department of Genetics and Molecular Biology, School of Bio-Medicine, Mongolian National University of Medical Sciences, Mongolia.
3. Department of Biochemistry, International University of Health and Welfare, School of Medicine, Narita, Chiba, Japan.
4. Laboratory of Medical Genetics, National Center of Maternal and Child Health, Mongolia.