Mail

You can probably best reach me through mail at v.a.traag@cwts.leidenuniv.nl

PGP

For security, you can use my PGP key. You can also find it using my e-mail at public key servers. My PGP fingerprint is 42FE F12E E258 76A2 1926 49AA 6727 C611 07D0 C6F0. You can also find details at my KeyBase.io page.

Address

If you want to see me in real life, here's my office at CWTS:

Visiting address Office B5.31, CWTS Willem Einthoven Building Kolffpad 1 2333 BN Leiden, the Netherlands	Postal address CWTS Leiden University P.O. Box 905 2300 AX Leiden, the Netherlands

Other services

You can find out more about me—or contact me —at:

Twitter	Google Scholar
Researcher Id	OCRID
Mendely	Academia.edu
ImpactStory	ResearchGate
LinkedIn	+31 (0)71 527 3943
GitHub