Prof. Dr. Ricardo Hsieh is a doctor in Dental Surgery at School of Dentistry, the University of São Paulo, Brazil (2004) and first scientific research started during undergraduate education, followed the graduation education (Master and Ph.D. degree) at Department of Dermatology, School of Medicine, University of São Paulo (2012). Completed Post-doctoral program at Department of Pathology and Stomatology of School of Dentistry, University of São Paulo (2016), Brazil. In 2015, I was an Associate Research Scientist at the Department of Pathology, Yale School of Medicine developing multicenter collaboration research. All my research projects and subject have been involving photo-protected sites melanomas (mainly Oral mucosal and Acral lentiginous types); Fetal melanocytes and Salivary glands development; our research group had built a Primary Oral Mucosal Melanoma cell lines by cell culture; and others Dermatological and Stomatological diseases research studies (as Oral squamous cell carcinoma, mucoepidermoid carcinoma, and Oral Lupus). Currently, I am a Researcher at the Institute of Tropical Medicine, University of São Paulo, Brazil, and Professor of General Pathology at Federal University of Alfenas, Brazil. I have some research grants from the Brazilian Funding Agency (CNPq, FAPESP, and FUNADERM) and several awards from many international conferences. Currently, join as a member of Editorial and/or Reviewer Board from different international journals.

I am Edgardo López D'alessandro, a Dentist graduated from the National University of Rosario Argentina in 1990;

Graduate in Dentistry from the University of Granada Spain in 2016; Master in Stomatology-Oral Medicine

University National of Rosario in 2009; Master in New Research Trends in Health Sciences University of Malaga,

Spain in 2022; Doctor of Dentistry Faculty of Dentistry National University of Rosario Argentina in 2023;

semi-exclusive teacher the Faculty of Dentistry of Rosario in the Chair of Stomatology since1990, Professor at the

Faculty of Medical Sciences of the National University of Rosario since 2004; Former professor of the Chair of

Pharmacology at the Faculty of Dentistry of the National University of Rosario for 9 years; Program researcher of

incentives Secretariat of Science and Technology of the UNR; Peer evaluator Ministry of Education (CONEAU) for

postgraduate courses; President of the Society Argentina of Stomatology-Oral Medicine; Coordinator of the

Stomatology master's degree and Oral Medicine from the National University of Rosario, Argentina 2022. Reviewer

of Science Publishing Group International Journal of Dental Medicine (IJDM) USA. Member of the Editorial Board

of the Journal Odontology (Montevideo). Member of 11 research projects the National University of Rosario in the

field of Dentistry; Pharmacology; Surgery and Oral Medicine. I have 35 years of university teaching experience