Controlling Hypertension through Education and Coaching in Kidney Disease (CHECK-D): protocol of a cluster randomised controlled trial oleh Ken Resnicow, Diane Levine, Angela Fagerlin, Rajiv Saran, Jennifer Bragg-Gresham, Carly Martin, Shannon Considine, Julie A Wright Nunes, Caroline Richardson, Eve Kerr, Brenda Gillespie, Emerson L Delacroix, Audrey Fan, Tammy Ellies, Luis Garcia-Guzman, Katie Grzyb, Michael Klinkman, Pamela Rockwell, John Billi, Kristin Collier, Ebony Parker-Featherstone, Nicole Bryant, Maria Seitz, Jennifer Lukela, Floyd John Brinley