Figures and statistical analyses were performed in R using different packages R Core Team 2015Wickham 2007Wilke 2016Wickham 2016Venables 2002, data and code is available https://doi.org/10.6084/m9.figshare.4663666. If not stated otherwise, data are illustrated as boxplots representing the median (line), the 25% and 75% quartiles (boxes), the data within 1.5 times the interquartile range (whiskers), and data outside that range (outliers, depicted as points).