Author’s response to reviews Title: Lee Silverman Voice Treatment versus standard speech and language therapy versus control in Parkinson's disease: a pilot randomised controlled trial (PD COMM pilot) Authors: Carl Clarke (carlclarke@nhs.net) Catherine Sackley (k1453113@kcl.ac.uk) Christina Smith (christina.smith@ucl.ac.uk) Caroline Rick (c.e.rick@bham.ac.uk) Marian Brady (M.Brady@gcal.ac.uk) Natalie Ives (N.J.Ives@bham.ac.uk) Smitaa Patel (s.a.patel@bham.ac.uk) Rebecca Woolley (r.l.woolley.1@bham.ac.uk) Francis Dowling (f.p.dowling@bham.ac.uk) Ramilla Patel (em.east@parkinsons.org.uk) Helen Roberts (H.C.Roberts@soton.ac.uk) Susan Jowett (S.JOWETT@bham.ac.uk) Keith Wheatley (k.wheatley@bham.ac.uk) Debbie Kelly (debanhall1965@gmail.com) Gina Sands (Gina.Sands@nottingham.ac.uk) Version: 3 Date: 30 Nov 2017 Author’s response to reviews: Thank you for the opportunity to respond to the comments made by the Reviewer regarding the above paper. We hope that the replies below and the changes made to the paper mean that the paper is now acceptable for publication.