Correction: Emergency and critical care services in Somalia: a cross-sectional nationwide hospital assessment using the WHO Hospital Emergency Unit assessment tool - Haron Ndwiga Njiru; Pryanka Relan; Sk Md Mamunur Rahman Malik; Azad Abdullah; Mukhtar Shube; Ali Haji Adam Abubakar; Ibrahim Nur; Abdinasir Yusuf Osman; Paul Sonenthal; Shada Rouhani; Bernard Olayo; Naoko Ohno; et al. (BMC Emergency Medicine)