| article html file updated | 9 February 2020 04:57 CET | Update | https://www.mdpi.com/1660-4601/15/2/234 |
| article html file updated | 30 September 2019 09:02 CEST | Update | - |
| article html file updated | 1 May 2019 22:16 CEST | Update | - |
| article html file updated | 17 April 2019 21:00 CEST | Update | - |
| article html file updated | 28 March 2019 19:40 CET | Update | - |
| article html file updated | 14 March 2018 17:36 CET | Update | - |
| article html file updated | 30 January 2018 17:49 CET | Original file | - |
| article xml uploaded. | 30 January 2018 17:48 CET | Original file | https://www.mdpi.com/1660-4601/15/2/234/xml |
| article pdf uploaded. | 30 January 2018 17:48 CET | Version of Record | https://www.mdpi.com/1660-4601/15/2/234/pdf |
