1. Toxicology Consulting and Medical Translating Services, Springtown and Azle, TX, USA;
2. Colorado School of Public Health, University of Colorado-Denver, Denver, CO, USA;
3. Laboratoire Prevor, Moulin de Verville, Valmondois, France;
4. Department of Dermatology, University of California School of Medicine-San Francisco, San Francisco, CA, USA