About the Authors

Raffaella Bucciardini

raffaella.bucciardini@iss.it

Affiliation Istituto Superiore di Sanità, Rome, Italy

Vincenzo Fragola

Affiliation Istituto Superiore di Sanità, Rome, Italy

Teshome Abegaz

Affiliation College of Health Sciences, Mekelle University, Mekelle, Ethiopia

Stefano Lucattini

Affiliation Istituto Superiore di Sanità, Rome, Italy

Atakilt Halifom

Affiliation Tigray Regional Health Bureau, Mekelle, Ethiopia

Eskedar Tadesse

Affiliation College of Health Sciences, Mekelle University, Mekelle, Ethiopia

Micheal Berhe

Affiliation College of Health Sciences, Mekelle University, Mekelle, Ethiopia

Katherina Pugliese

Affiliation Istituto Superiore di Sanità, Rome, Italy

Andrea Binelli

Affiliation Istituto Superiore di Sanità, Rome, Italy

Paola De Castro

Affiliation Istituto Superiore di Sanità, Rome, Italy

Roberta Terlizzi

Affiliation Istituto Superiore di Sanità, Rome, Italy

Luca Fucili

Affiliation Istituto Superiore di Sanità, Rome, Italy

Massimiliano Di Gregorio

Affiliation Istituto Superiore di Sanità, Rome, Italy

Marco Mirra

Affiliation Istituto Superiore di Sanità, Rome, Italy

Erika Olivieri

Affiliation Istituto Superiore di Sanità, Rome, Italy

Tsigemariam Teklu

Affiliation Tigray Regional Health Bureau, Mekelle, Ethiopia

Teame Zegeye

Affiliation Tigray Regional Health Bureau, Mekelle, Ethiopia

Amanuel Haile

Affiliation College of Health Sciences, Mekelle University, Mekelle, Ethiopia

Stefano Vella

Affiliation Istituto Superiore di Sanità, Rome, Italy

Loko Abraham

Affiliation College of Health Sciences, Mekelle University, Mekelle, Ethiopia

Hagos Godefay

Affiliation Tigray Regional Health Bureau, Mekelle, Ethiopia

CASA-project Health Facilities

Affiliation Tigray Regional Health Bureau, Mekelle, Ethiopia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RB SV HG LA A. Haile. Performed the experiments: RB VF TA SL ET MB KP AB LF MD. Analyzed the data: RB VF. Wrote the paper: RB SV HG PD VF. Designed the sofware used in analysis: TA SL LF MD MM. Administrative support: RT EO TT TZ. Local supervisor: A. Halifom.