| article html file updated | 8 February 2020 18:38 CET | Update | https://www.mdpi.com/2411-5150/1/4/23 |
| article html file updated | 6 November 2019 11:13 CET | Update | - |
| article html file updated | 27 September 2019 19:32 CEST | Update | - |
| article html file updated | 2 May 2019 20:51 CEST | Update | - |
| article html file updated | 17 October 2017 11:07 CEST | Original file | - |
| article xml uploaded. | 17 October 2017 11:06 CEST | Update | https://www.mdpi.com/2411-5150/1/4/23/xml |
| article xml uploaded. | 17 October 2017 11:05 CEST | Original file | - |
| article pdf uploaded. | 17 October 2017 11:05 CEST | Version of Record | https://www.mdpi.com/2411-5150/1/4/23/pdf |
