This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Genotype-dependency of butyrate efficacy in children with congenital chloride diarrhea Orphanet Journal of Rare Diseases 2013, 8:194 doi:10.1186/1750-1172-8-194 Roberto Berni Canani (berni@unina.it) Gianluca Terrin (gianluca.terrin@uniroma1.it) Ausilia Elce (berni@unina.it) Vincenza Pezzella (cinzia.pezzella@gmail.com) Peter Heinz-Erian (berni@unina.it) Annalisa Pedrolli (berni@unina.it) Chiara Centenari (berni@unina.it) Felice Amato (berni@unina.it) Rossella Tomaiuolo (berni@unina.it) Antonio Calignano (berni@unina.it) Riccardo Troncone (troncone@unina.it) Giuseppe Castaldo (berni@unina.it) ISSN 1750-1172 Article type Research Submission date 4 June 2013 Acceptance date 10 December 2013 Publication date 19 December 2013 Article URL http://www.ojrd.com/content/8/1/194 This peer-reviewed article can be downloaded, printed and distributed freely for any purposes (see copyright notice below). Articles in Orphanet Journal of Rare Diseases are listed in PubMed and archived at PubMed Central. For information about publishing your research in Orphanet Journal of Rare Diseases or any BioMed Central journal, go to http://www.ojrd.com/authors/instructions/ Orphanet Journal of Rare Diseases © 2013 Canani et al. This is an open access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.