@article {16N, editor = {,}, title = {In Memoriam: Dirk J. Kwekkeboom, MD, PhD 1958{\textendash}2017}, volume = {58}, number = {8}, pages = {16N--16N}, year = {2017}, publisher = {Society of Nuclear Medicine}, issn = {0161-5505}, URL = {https://jnm.snmjournals.org/content/58/8/16N.1}, eprint = {https://jnm.snmjournals.org/content/58/8/16N.1.full.pdf}, journal = {Journal of Nuclear Medicine} }