KP has been active in all aspects of the study: conception, design, acquisition of data (main responsibility), analysis and interpretation of data, writing of the manuscript and final approval.
JWH was involved in all aspects of the study including conception, design, and coordination of the study, along with drafting the manuscript.
NP was the principal investigator who acquired funding, was involved in all aspects of the study including conception and design, acquisition of data, analysis, interpretation and writing.
HA was involved in all aspects of this study, including conception, data collection, data analysis, and revision.
The sponsor (Forest Pharmaceuticals) had no role in any aspect of this investigation to include study conception and design, statistical analysis, and critical revision of the manuscript.
CRF directed and supervised all aspects of the study from its conception to the finalization of the manuscript.
The authors would like to acknowledge the contributions of Professor Krysia Dziedzic, June Handy, Charlotte Clements, Dr Jonathan Hill, Dr Helen Myers and Dr Ross Wilkie to aspects of the conception and design of the study and to the acquisition of data.
PK had a major role in the conception and design of the study, supervised all aspects of the study's implementation, contributed to the writing of the manuscript and provided editorial comments.
