"Staessen J A" . "Staessen Jan" . "STAESSEN J" . "STAESSEN" . "ja.staessen@epid.unimaas.nl" . "Staessen J" . "STAESSEN J." . "Staessen J. A." . "Staessen Jan A" . "J A" . "Jan" . "Staessen J." . "J. A." . "Staessen Jan A." . "J." . "Staessen J.A." . "Jan A." . "J.A." . "Jan A" . "jan.staessen@med.kuleuven.be" . "jan.staessen@med.kuleuven.ac.be" . "Staessen" . "J" . .