Chronic Periodontitis

• AngioLab, Inc. — Daejeon, Daejeon Gwangyeogsi, South Korea

• Department of Dentistry, Olomouc University Hospital — Olomouc, Czech Republic, Czechia

• Lithuanian University of Health Sciences — Kaunas, Lithuania

• Marmara University — Istanbul, Maltepe, Turkey (Türkiye)

• Dental School, Aristotle University — Thessaloniki, Greece

• LSU Health New Orleans School of Dentistry (Dept of Periodontics) — New Orleans, Louisiana, United States

• Faculty of Oral and Dental Medicine, Cairo University — Cairo, Egypt

• Dr Fizza — Karachi, Sindh, Pakistan

Not specified

• King Saud University — Riyadh, Saudi Arabia