| article html file updated | 8 February 2020 11:04 CET | Update | https://www.mdpi.com/2077-0375/7/3/36 |
| article html file updated | 25 September 2019 23:08 CEST | Update | N/A |
| article html file updated | 3 May 2019 12:14 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:33 CEST | Update | N/A |
| article html file updated | 14 July 2017 22:36 CEST | Original file | N/A |
| article xml uploaded. | 14 July 2017 15:19 CEST | Original file | https://www.mdpi.com/2077-0375/7/3/36/xml |
| article pdf uploaded. | 14 July 2017 15:19 CEST | Version of Record | https://www.mdpi.com/2077-0375/7/3/36/pdf |
