1. Department of Periodontology, Laboratory for Periodontal-, Implant-, Phototherapy (La-PIP), School of Dental Medicine, Stony Brook University, Stony Brook, New York, USA.
2. Department of Dermatology, School of Medicine, Stony Brook University, Stony Brook, New York, USA.
3. Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York, USA.