1. Appalachian Laboratory, University of Maryland Center for Environmental Science , Frostburg, Maryland , USA
2. Unidad de Servicios Profesionales Altamente Especializados, Instituto de Ecología A.C. , Coatepec, Veracruz , Mexico
3. Ecology and Evolutionary Biology Interdisciplinary Program, Texas A&M University , College Station, Texas , USA
4. Schubot Center for Avian Health , Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas , USA