AUTHOR CONTRIBUTIONS
All authors contributed to the design of the study. Material preparation, data collection and analysis were carried out by Francisco Sepúlveda-Espinoza, Ariana Bertin-Benavides, Rodrigo Hasbún, Oscar Toro-Núñez, Antonio Varas-Myrik, Diego Alarcón and Marie-Laure Guillemin. The first draft of the manuscript was written by Francisco Sepúlveda-Espinoza, Ariana Bertin-Benavides and Marie-Laure Guillemin and all authors commented on earlier versions of the manuscript. All authors read and approved the final manuscript.