1. School of Dentistry; College of Oral Medicine; Taipei Medical University; Taipei 110 Republic of China, Taiwan
2. Center for Teeth Bank and Dental Stem Cell Technology; Taipei Medical University; Taipei 110 Republic of China, Taiwan
3. Graduate Institute of Biomedical Materials & Engineering; Taipei Medical University; Taipei 110 Republic of China, Taiwan
4. School of Dental Technology; College of Oral Medicine; Taipei Medical University; Taipei 110 Republic of China, Taiwan