1. Faculty of Basic Sciences, Universidad Católica del Maule, Chile
2. School of Industrial Engineering, Pontificia Universidad Católica de Valparaíso, Chile
3. Department of Statistics, Pontificia Universidad Católica de Chile, Chile
4. Postgraduate Program in Ecology, Institute of Biosciences, Universidade de São Paulo, Brazil
5. Zoological Research Museum Alexander Koenig, Germany