Contribution to authorship
I.G.T.B., J.P.H., C.G.G. and R.P.Z. designed the study. R.H.M.V. and
R.P.Z. performed all robotic surgeries. Data collection was carried out
by J.P.H. and I.G.T.B. The statistical analysis was done by I.G.T.B. and
the subsequent results interpreted by I.G.T.B., J.P.H., C.G.G. and
R.P.Z. The manuscript was drafted by I.G.T.B., J.P.H. and C.G.G. , which
was critically revised and approved by H.W.R.S., I.M.J.S., R.H.M.V. and
R.P.Z.