| article html file updated | 9 February 2020 10:57 CET | Update | https://www.mdpi.com/1660-4601/15/4/575 |
| article html file updated | 1 October 2019 21:41 CEST | Update | - |
| article html file updated | 1 May 2019 09:21 CEST | Update | - |
| article html file updated | 17 April 2019 09:15 CEST | Update | - |
| article html file updated | 29 March 2019 09:06 CET | Update | - |
| article html file updated | 1 May 2018 04:24 CEST | Update | - |
| article html file updated | 23 March 2018 09:57 CET | Original file | - |
| article xml uploaded. | 23 March 2018 09:56 CET | Original file | https://www.mdpi.com/1660-4601/15/4/575/xml |
| article pdf uploaded. | 23 March 2018 09:56 CET | Version of Record | https://www.mdpi.com/1660-4601/15/4/575/pdf |
