%0 Journal Article %T The old man¡¯s friend %A Ger T. Rijkers %A Stephen I. Pelton %J Archive of "Pneumonia". %D 2018 %R 10.1186/s41479-018-0052-7 %X Both authors contributed entirely to the writing of this paper. Both authors read and approved the final manuscript %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6058374/