| article html file updated | 8 February 2020 07:22 CET | Update | https://www.mdpi.com/1424-8220/17/6/1271 |
| article html file updated | 25 September 2019 03:41 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:10 CEST | Update | N/A |
| article html file updated | 30 June 2017 22:34 CEST | Update | N/A |
| article html file updated | 2 June 2017 15:37 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 15:35 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1271/xml |
| article pdf uploaded. | 2 June 2017 15:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1271/pdf |
