1. Department of Oral Surgery and Implant Dentistry; School of Dentistry; University of Granada; Granada Spain
2. Department of Periodontics and Oral Medicine; School of Dentistry; University of Michigan; Ann Arbor MI USA
3. Private practice; Jaén Spain
4. Department of Periodontics; College of Dentistry; University of Iowa; Iowa City IA USA
5. Department of Stomatology; University of Valencia; Valencia Spain
6. Orthopedic Surgery Unit; San Cecilio Clinical Hospital; Granada Spain