| article html file updated | 9 February 2020 08:29 CET | Update | https://www.mdpi.com/2077-0375/8/1/11 |
| article html file updated | 1 October 2019 05:54 CEST | Update | - |
| article html file updated | 1 May 2019 14:34 CEST | Update | - |
| article html file updated | 17 April 2019 14:10 CEST | Update | - |
| article html file updated | 29 March 2019 03:35 CET | Update | - |
| article html file updated | 26 March 2018 17:11 CEST | Update | - |
| article html file updated | 2 March 2018 16:58 CET | Original file | - |
| article xml uploaded. | 2 March 2018 16:57 CET | Original file | https://www.mdpi.com/2077-0375/8/1/11/xml |
| article pdf uploaded. | 2 March 2018 16:57 CET | Version of Record | https://www.mdpi.com/2077-0375/8/1/11/pdf |
