1. Maestría en Bosques y Conservación Ambiental; Universidad Nacional de Colombia Sede Medellín; Medellin Colombia
2. Tree-Ring Laboratory; Lamont-Doherty Earth Observatory of Columbia University; Palisades NY USA
3. Institut Català de Ciències del Clima (IC3); Barcelona Catalonia Spain
4. Department of Earth System Science; University of California; Irvine CA USA
5. International Research Institute for Climate and Society; Columbia University; Palisades NY USA