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.