| article html file updated | 9 February 2020 05:38 CET | Update | https://www.mdpi.com/2411-5134/3/1/12 |
| article html file updated | 30 September 2019 13:22 CEST | Update | - |
| article html file updated | 1 May 2019 20:43 CEST | Update | - |
| article html file updated | 17 April 2019 19:43 CEST | Update | - |
| article html file updated | 28 March 2019 21:10 CET | Update | - |
| article html file updated | 6 February 2018 11:37 CET | Original file | - |
| article xml uploaded. | 6 February 2018 11:36 CET | Update | https://www.mdpi.com/2411-5134/3/1/12/xml |
| article xml uploaded. | 6 February 2018 11:36 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 11:36 CET | Version of Record | https://www.mdpi.com/2411-5134/3/1/12/pdf |
