Funding for this research was provided by:
Friede Springer endowed professorship for Global Child Health
Article History
Received: 24 March 2021
Accepted: 30 March 2021
First Online: 8 September 2021
Declarations
:
: Not applicable.
: Not applicable.
: SJ had a contract and was paid as an independent consultant by the WHO via Witten/ Herdecke University, ECPCP and EPA/UNEPSA for developing the different articles of this Supplement.GH and RW are participants of the editorial group of the WHO pocket book.