| article html file updated | 9 February 2020 18:52 CET | Update | https://www.mdpi.com/1424-8220/18/6/1691 |
| article html file updated | 3 October 2019 22:12 CEST | Update | N/A |
| article html file updated | 30 April 2019 17:02 CEST | Update | N/A |
| article html file updated | 16 April 2019 17:29 CEST | Update | N/A |
| article html file updated | 30 March 2019 04:12 CET | Update | N/A |
| article html file updated | 24 May 2018 11:21 CEST | Original file | N/A |
| article pdf uploaded. | 24 May 2018 11:20 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1691/pdf |
| article xml uploaded. | 24 May 2018 11:20 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1691/xml |
| article xml file uploaded | 24 May 2018 11:20 CEST | Original file | N/A |
