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Article History

Received: 12 June 2021

Accepted: 17 May 2022

First Online: 27 May 2022

Declarations

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: Ethical approval was obtained from the National Health Research Ethics Review Committee (NatHREC) of Tanzania with reference NIMR/HQ/R.8a/Vol.IX/3153 and all study methods were performed in accordance with ethical guidelines and regulations. This retrospective study using routine collected data also obtained participants consent waiver from National Health Research Ethics Review Committee (NatHREC) of Tanzania. Before data abstraction local permission for data collection was sought from regional, council and facility levels. In Dar es salaam region; Dar es salaam regional office, Kinondoni and Ilala Municipal councils and Amana regional referral hospital, Mnazi mmoja hospital, Vingunguti dispensary, Tabata A dispensary, Kitunda dispensary, Buguruni health centre, Mwananyamala regional referral hospital, Tandale health centre, Bunju dispensary, Shree Hindu Mandal hospital, TMJ Hospital and Hubert Kairuki Memorial hospital. In Morogoro region; Morogoro regional office, Morogoro Municipal council, Kilosa district council, Morogoro regional hospital, Sabasaba health centre, Mafiga health centre, Kilosa district hospital and Kidodi health centre. In Pwani region; Mkuranga district council, Kibaha district council, Mlandizi health centre, Magindu dispensary, Mkuranga district hospital and Kisiju dispensary. Data collection involved limited contact with human subjects. All patient data were abstracted from patients’ medical records (files). No personal names or occupational information were collected as part of data abstraction. Data were handled by only research team.

: Not applicable.

: The authors declare that they have no competing interests.