The Genootschap ter Bevordering van Natuur-, Genees- en Heelkunde (Institute for the promotion of physics and medicine) grants travel scholarship to young researchers twice a year. PhD students from beta sciences, medicine and dental science from both the UvA and VU can apply for the grant. The maximum amount of money that can be requested has been increased from € 500,- to € 1000,- . Each round, 5 grants will be gifted. The deadline for submitting your grant application is the 5th of january 2019. More information is available here and here.