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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Amy Price conceived and designed the experiments, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Amanda Burls prepared figures and/or tables, reviewed drafts of the paper.

Lenny Vasanthan reviewed drafts of the paper.

Mike Clarke reviewed drafts of the paper.

Su May Liew reviewed drafts of the paper.

Anne Brice reviewed drafts of the paper, concieved and built ORCHID database and Updated Literature Search.

Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Ethics Approval for interview and survey research: Central University Research Ethics Committee (CUREC) University of Oxford UK CUREC# MSD-IDREC-C1-2013-174

Research Organization: ThinkWell: Website address: http://ithinkwell.org

Data Deposition

The following information was supplied regarding data availability:

The raw data or code is included in the manuscript.

Funding

The authors received no funding for this work.


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