Katharina, sorry, just glancing over them quickly but...
Paper 1conflicts of interest -
Dr Schlaud was the lead investigator of an epidemiological study of deaths in children aged 2–24 months (TOKEN Study) in 2004–2009, which was jointly funded by the Federal Ministry of Health, the Paul Ehrlich-Institute, Sanofi Pasteur, and Glaxo Smith Kline.
Dr Poethko-Müller was responsible for coordinating the study mentioned before.
Paper 2 Seems to be a study in Nigeria (developing country)
Paper 3 Conflicts of interest:
"has received payment for manuscript preparation from Novartis; and has received travel support from Chiesi, Allergopharma, Abbott, Infectopharm, and Novartis"
"has received payment for lectures from GlaxoSmithKline, Merck Sharp Dohme, Forest Labs, Roche, Novartis..."
"has received payment for lectures from Symbiopharm and GlaxoSmithKline."
Paper 4 Philippines (developing country)