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Revised acknowledgment for Drs Robert Scherpbier and Salah-Eddine
Drs Robert Scherpbier and Salah-Eddine Ottmani from the World Health Organization, who conceptualised PAL, the global model for a Practical Approach to Lung Health (PAL) from which PALSA drew its screening and syndromic approaches. The multi-country evaluation of the Practical Approach to Lung health (PAL) includes studies of the effectiveness, cost and public health impact of PAL in Chile, Kyrgyzstan, Morocco, South Africa, and Nepal.