1. Private practice of Orthodontics Rome Italy
2. Department of Mathematics Università degli Studi di Genova Genoa Italy
3. OnAIR Ltd Genoa Italy
4. Department of Experimental and Clinical Medicine Orthodontics Università degli Studi di Firenze Florence Italy
5. Thomas M and Doris Graber Endowed Professor Emeritus Department of Orthodontics and Pediatric Dentistry School of Dentistry University of Michigan Ann Arbor MI USA
6. Professor Emeritus of Cell and Developmental Biology School of Medicine Research Professor Emeritus Center for Human Growth and Development University of Michigan Ann Arbor MI USA
7. Thomas M. Graber Visiting Scholar Department of Orthodontics and Pediatric Dentistry University of Michigan Ann Arbor MI USA