Affiliation: | 1. Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica;2. Graduate Institute of Biomedical Materials and Tissue Engineering, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan;3. Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan;4. Graduate Institute of Biomedical Materials and Tissue Engineering, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan Correspondence: Thierry Burnouf, Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, 250 Wu-Shing Street, Taipei 110, Taiwan E-mail: tburnou@attglobal.net |