Timothy O'Sullivan

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

,

Ana Craciun

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

3   Gastroenterology and Hepatology, Centro Hospitalar Universitario de Lisboa Norte, Lisboa, Portugal

,

Karen Byth

4   Research and Education Network, Western Sydney Local Health District, Westmead Hospital, Sydney, Australia

5   The NHMRC Clinical Trials Centre, University of Sydney, Sydney, Australia

,

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

,

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

,

Oliver Cronin

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

,

Anthony Whitfield

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

,

Muhammad Abuarisha

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

,

Stephen John Williams

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

,

Eric Yong Tat Lee

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

,

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

,

Michael J. Bourke

1   Gastroenterology and Hepatology, Westmead Hospital, Westmead, Australia (Ringgold ID: RIN8539)

2   The University of Sydney Westmead Clinical School, Sydney, Australia (Ringgold ID: RIN216997)

Registration number (trial ID): NCT01368289, Trial registry: Australian New Zealand Clinical Trials Registry (http://www.anzctr.org.au/), Type of Study: Prospective