Metadata Correction: A Mobile Health Wallet for Pregnancy-Related Health Care in Madagascar: Mixed-Methods Study on Opportunities and Challenges

Nadine Muller   ^{1, 2} , MD ;   Peter Martin Ferdinand Emmrich   ³ , PhD ;   Elsa Niritiana Rajemison   ¹ , MEc ;   Jan-Walter De Neve   ¹ , MD, ScD ;   Till Bärnighausen   ^{1, 4, 5} , MD, ScD ;   Samuel Knauss   ^{6 *} , MD ;   Julius Valentin Emmrich   ^{6 *} , MD, MPhil

¹ Heidelberg Institute of Global Health, Medical Faculty and University Hospital, University of Heidelberg, Heidelberg, Germany

² Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany

³ Biosciences Eastern and Central Africa Hub, International Livestock Research Institute, Nairobi, Kenya

⁴ Africa Health Research Institute, Mtubatuba, KwaZulu-Natal, South Africa

⁵ Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, United States

⁶ Department of Experimental Neurology and Center for Stroke Research, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany

*these authors contributed equally