Author contribution statement
Gabriele Ferrari, Håkan Geijer, Ninos Samano, and Domingos Souza
originated the concept of this study. Gabriele Ferrari, Håkan Geijer,
Jan Karlsson, and Ninos Samano designed the study. Gabriele Ferrari and
Håkan Geijer collected the patient data. Gabriele Ferrari, Jan Karlsson,
and Yang Cao performed the statistical analyses. Gabriele Ferrari and
Jan Karlsson wrote the first draft of the manuscript. All authors
reviewed the manuscript, contributed significantly to its critical
review, and approved the final version.