title: Discussion of 'Clustered encouragement designs with individual noncompliance: Bayesian inference with randomization, and application to advance directive forms' by Frangakis, Rubin and Zhou.
authors.affiliation: Department of Applied Mathematics and Informatics, Ghent University, Krijgslaan 281 (S9), 9000 Ghent, Belgium. els.goetghebeur@rug.ac.be
authors.forename: Els
authors.initials: E
authors.lastname: Goetghebeur
authors.forename: Stijn
authors.initials: S
authors.lastname: Vansteelandt