| article html file updated | 8 February 2020 03:48 CET | Update | https://www.mdpi.com/1424-8220/17/4/885 |
| article html file updated | 24 September 2019 09:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:48 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:19 CEST | Update | N/A |
| article html file updated | 18 April 2017 10:42 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 10:41 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/885/xml |
| article pdf uploaded. | 18 April 2017 10:41 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/885/pdf |
