Authors' roles & responsibilities
VY	Conception and study design; analysis and/or data interpretation; manuscript writing or critical review of its content; final manuscript approval
ACO	Conception and study design; analysis and/or data interpretation; manuscript writing or critical review of its content; final manuscript approval
SH	Conception and study design; realization of operations and/or trials; manuscript writing or critical review of its content; final manuscript approval
OG	Analysis and/or data interpretation; statistical analysis; manuscript writing or critical review of its content; final manuscript approval
FNT	Analysis and/or data interpretation; statistical analysis; final manuscript approval
SC	Conception and study design; manuscript writing or critical review of its content; final manuscript approval