| article html file updated | 9 February 2020 12:44 CET | Update | https://www.mdpi.com/1660-4601/15/4/691 |
| article html file updated | 2 October 2019 08:08 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:39 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:48 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:12 CET | Update | N/A |
| article html file updated | 1 May 2018 04:59 CEST | Update | N/A |
| article html file updated | 5 April 2018 17:53 CEST | Original file | N/A |
| article xml uploaded. | 5 April 2018 17:52 CEST | Original file | https://www.mdpi.com/1660-4601/15/4/691/xml |
| article pdf uploaded. | 5 April 2018 17:52 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/691/pdf |
