Mohr, OHermes, JSchink, SBAskar, MMenucci, DSwaan, CGoetsch, UMonk, PEckmanns, TPoggensee, GKrause, G2025-03-242025-03-2420132415781510.1136/bmjopen-2013-002939https://rivm.openrepository.com/handle/10029/646910Development of a risk assessment tool for contact tracing people after contact with infectious patients while travelling by bus or other public ground transport: a Delphi consensus approachArticleBMJ Open 2013; 3(10):e0029392025-03-24