| article html file updated | 8 February 2020 04:16 CET | Update | https://www.mdpi.com/1424-8220/17/4/936 |
| article html file updated | 24 September 2019 11:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:57 CEST | Update | N/A |
| article html file updated | 29 April 2017 13:25 CEST | Update | N/A |
| article html file updated | 24 April 2017 13:10 CEST | Original file | N/A |
| article xml uploaded. | 24 April 2017 13:09 CEST | Update | https://www.mdpi.com/1424-8220/17/4/936/xml |
| article pdf uploaded. | 24 April 2017 13:09 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/936/pdf |
