| article html file updated | 9 February 2020 05:46 CET | Update | https://www.mdpi.com/2410-387X/2/1/5 |
| article html file updated | 30 September 2019 14:13 CEST | Update | - |
| article html file updated | 1 May 2019 20:24 CEST | Update | - |
| article html file updated | 17 April 2019 19:27 CEST | Update | - |
| article html file updated | 28 March 2019 21:27 CET | Update | - |
| article html file updated | 7 February 2018 05:54 CET | Original file | - |
| article xml uploaded. | 7 February 2018 05:52 CET | Original file | https://www.mdpi.com/2410-387X/2/1/5/xml |
| article pdf uploaded. | 7 February 2018 05:52 CET | Version of Record | https://www.mdpi.com/2410-387X/2/1/5/pdf |
