| article html file updated | 8 February 2020 10:52 CET | Update | https://www.mdpi.com/2077-0375/7/3/35 |
| article html file updated | 25 September 2019 22:01 CEST | Update | - |
| article html file updated | 3 May 2019 12:38 CEST | Update | - |
| article html file updated | 30 September 2017 11:33 CEST | Update | - |
| article html file updated | 13 July 2017 08:50 CEST | Original file | - |
| article xml uploaded. | 13 July 2017 08:49 CEST | Original file | https://www.mdpi.com/2077-0375/7/3/35/xml |
| article pdf uploaded. | 13 July 2017 08:49 CEST | Version of Record | https://www.mdpi.com/2077-0375/7/3/35/pdf |
