| article html file updated | 7 February 2020 06:59 CET | Update | https://www.mdpi.com/2079-9292/5/2/17 |
| article html file updated | 5 May 2019 19:14 CEST | Update | - |
| article html file updated | 27 March 2019 01:21 CET | Update | - |
| article html file updated | 1 July 2016 10:30 CEST | Update | - |
| article html file updated | 8 April 2016 14:26 CEST | Original file | - |
| article xml uploaded. | 8 April 2016 14:24 CEST | Original file | https://www.mdpi.com/2079-9292/5/2/17/xml |
| article pdf uploaded. | 8 April 2016 14:24 CEST | Version of Record | https://www.mdpi.com/2079-9292/5/2/17/pdf |
