The authors would like to thank the following for their contributions to this chapter.
Provision of case studies: Kattya Mayre-Chilton, Marion Pirie, Mark Rasburn
Peer reviewers: Jane Cowl, Kenneth McLean, Mark Rasburn
Contributors to the 2012 version of this chapter: Karen Graham, Sara Twaddle, Carrie M Davino-Ranaya, Loes Knaapen