Design details for overdose education and take-home naloxone kits: codesign with family medicine, emergency department, addictions medicine and community by Sellen, K, Goso, N, Halleran, L, Mulvale-Fletcher, A, Sarmiento, F, Ligabue, F, Handford, C, Klaiman, M, Milos, G, Wright, A, Charles, M, Sniderman, R, Hunt, R, Parsons, JA, Leece, P, Hopkins, S, Shahin, R, Jüni, P, Morrison, L, Campbell, DM, Strike, C, Orkin, A