| article html file updated | 9 February 2020 11:14 CET | Update | https://www.mdpi.com/1660-4601/15/4/591 |
| article html file updated | 1 October 2019 23:15 CEST | Update | - |
| article html file updated | 1 May 2019 08:48 CEST | Update | - |
| article html file updated | 17 April 2019 08:43 CEST | Update | - |
| article html file updated | 29 March 2019 09:44 CET | Update | - |
| article html file updated | 1 May 2018 04:29 CEST | Update | - |
| article html file updated | 25 March 2018 13:37 CEST | Original file | - |
| article xml uploaded. | 25 March 2018 13:36 CEST | Original file | https://www.mdpi.com/1660-4601/15/4/591/xml |
| article pdf uploaded. | 25 March 2018 13:36 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/591/pdf |
