12. Pulmonary hypertension in patients with idiopathic pulmonary fibrosis 148 Steven D. Nathan and Vincent Cottin 13. Pulmonary hypertension in pulmonary Langerhans’ cell histiocytosis 161 Jérôme Le Pavec, David Montani, Peter Dorfmüller, Dermot S. O’Callaghan, Marc Humbert and Abdellatif Tazi 14. Pulmonary hypertension associated with sarcoidosis 166 Hilario Nunes, Yurdagul Uzunhan, Olivia Freynet, Marc Humbert, Pierre-Yves Brillet, Marianne Kambouchner and Dominique Valeyre 15. Pulmonary veno-occlusive disease and pulmonary capillary 182 haemangiomatosis David Montani, Sven Günther, Laura Price, Olivier Sitbon and Marc Humbert 16. Obesity and pulmonary hypertension 194 Ioana R. Preston, James R. Klinger, William Hopkins and Nicholas S. Hill 17. Pregnancy and birth control in pulmonary hypertension 208 Karen M. Olsson and Xavier Jaïs 18. Anaesthesia and surgery in pulmonary hypertension: perioperative 219 management Laura Price, John Dick, S. John Wort and Brian Kavanagh 19. New drugs for pulmonary hypertension 233 Caroline O’Connell, Dermot S. O’Callaghan and Sean Gaine 20. Lung transplantation for pulmonary hypertension 247 Jens Gottlieb and Paul A. Corris 21. Pulmonary arterial hypertension in 2020: a glimpse at the future 256 Lewis J. Rubin and Andrew J. Peacock CME credit application form 263 C O P E C O M M I T T E E O N P U B L I C A T I O N E T H I C S This journal is a member of and subscribes to the principles of the Committee on Publication Ethics.