A paper, “Creating a drowning chain of survival” was published in Resuscitation Journal authored by David Szpilman, Jonathon Webber, Linda Quan, Joost Bierens, Luiz Morizot-Leite, Stephen John Langendorfer, Steve Beerman, Bo Løfgren.

If you have personal interest in it, RESUSCITATION allows to send you an authors copy by request.

Creating a drowning chain of survival. Resuscitation (2014),
http://dx.doi.org/10.1016/j.resuscitation.2014.05.034