Malocclusion, Angle Class II

• Hama University — Hama, Syria

• Stomatological Hospital Affiliated with Fujian Medical University — Fuzhou, Fujian, China

Not specified

• DEON — Nancy, Lorraine, France

• Ben Hafeed Dental Center — Sanaa, Yemen

• Edmonton Clinic — Edmonton, Alberta, Canada

• MansouraU, faculty of dentistry, orthodontics department — Al Mansurah, Egypt

• Ain Shams University — Cairo, Egypt

• University of Rijeka, Faculty of Dental Medicine — Rijeka, Primorsko-goranska County, Croatia

• Department of Orthodontics of the University of Turin — Turin, Italy