1. Khoo Teck Puat Hospital Dental Surgery Singapore City Singapore
2. National University Hospital Singapore Singapore City Singapore
3. National University Centre for Oral Health Singapore City Singapore
4. Department of Endodontology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
5. Graduate Endodontics Residency Training Programme Singapore City Singapore
6. Faculty of Dentistry National University of Singapore Singapore City Singapore