[1
]
Department of Economics and Centre for Modern Indian Studies, University of Goettingen,
Goettingen, Germany. Electronic address: christian.bommer@wiwi.uni-goettingen.de.
[2
]
Department of Economics and Centre for Modern Indian Studies, University of Goettingen,
Goettingen, Germany.
[3
]
Harvard Medical School, Harvard University, Boston, MA, USA.
[4
]
Harvard Medical School, Harvard University, Boston, MA, USA; Harvard T.H. Chan School
of Public Health, Harvard University, Boston, MA, USA.
[5
]
Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA; Institute
of Public Health, University of Heidelberg, Heidelberg, Germany; Africa Health Research
Institute, Somkhele, South Africa.
[6
]
Department of Economics and Centre for Modern Indian Studies, University of Goettingen,
Goettingen, Germany; Harvard T.H. Chan School of Public Health, Harvard University,
Boston, MA, USA.