[1] Saveetha Univ, Saveetha Inst Med & Tech Sci, Saveetha Dent Coll & Hosp, Dept Orthodont, Chennai, India
[2] Univ Puthisastra, Dept Orthodont, Phnom Penh, Cambodia
[3] Invisalign Ctr, Dubai, U Arab Emirates
[4] St Louis Univ, St Louis, MO USA
[5] Case Western Reserve Univ, Cleveland Hts, OH USA
[6] Univ Michigan, Ann Arbor, MI USA
[7] Saveetha Inst Med & Tech Sci, Dept Orthodont, Chennai, India
[8] Univ Puthisastra, Dept Orthodont, 55,St 180,Khan Daun Penh, Phnom Penh, Cambodia
[9] Only Orthodont, Mumbai, India