1. Department of Oral Medicine, Infection, and Immunity; Harvard School of Dental Medicine; Boston MA USA
2. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology; Sichuan University; Chengdu PR China
3. Department of Endocrinology; Peking Union Medical College Hospital; Beijing PR China
4. Department of Biomedical Sciences; University of Veterinary Medicine; Vienna Austria
5. Faculty of Dentistry, and Department of Anatomy and Cell Biology; McGill University; Montreal Canada