| article html file updated | 9 February 2020 05:31 CET | Update | https://www.mdpi.com/1660-4601/15/2/271 |
| article html file updated | 30 September 2019 12:44 CEST | Update | - |
| article html file updated | 1 May 2019 20:57 CEST | Update | - |
| article html file updated | 17 April 2019 19:54 CEST | Update | - |
| article html file updated | 28 March 2019 20:56 CET | Update | - |
| article html file updated | 14 March 2018 17:40 CET | Update | - |
| article html file updated | 5 February 2018 08:10 CET | Original file | - |
| article xml uploaded. | 5 February 2018 08:09 CET | Original file | https://www.mdpi.com/1660-4601/15/2/271/xml |
| article pdf uploaded. | 5 February 2018 08:09 CET | Version of Record | https://www.mdpi.com/1660-4601/15/2/271/pdf |
