1. Division of Clinical Dermatology (Dr Swanson); Mayo Clinic; Scottsdale AZ U.S.A.
2. Department of Dermatology; Buckinghamshire Healthcare NHS Trust; Buckinghamshire U.K.
3. Balter Medical AS; Bergen Norway
4. Department of Physics and Technology; University of Bergen; Bergen Norway
5. Knollwood Partners; Princeton NJ U.S.A.
6. Department of Physics and Engineering Physics; Stevens Institute of Technology; Hoboken NJ U.S.A.