| article html file updated | 8 February 2020 23:59 CET | Update | https://www.mdpi.com/2411-5134/2/4/36 |
| article html file updated | 29 September 2019 04:39 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:46 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:32 CEST | Update | N/A |
| article html file updated | 13 December 2017 15:00 CET | Original file | N/A |
| article xml uploaded. | 13 December 2017 14:59 CET | Update | https://www.mdpi.com/2411-5134/2/4/36/xml |
| article xml uploaded. | 13 December 2017 14:59 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2017 14:59 CET | Version of Record | https://www.mdpi.com/2411-5134/2/4/36/pdf |
