| article html file updated | 8 February 2020 07:43 CET | Update | https://www.mdpi.com/1424-8220/17/6/1311 |
| article html file updated | 25 September 2019 05:30 CEST | Update | - |
| article html file updated | 3 May 2019 18:32 CEST | Update | - |
| article html file updated | 30 June 2017 22:39 CEST | Update | - |
| article html file updated | 7 June 2017 13:59 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 13:57 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1311/xml |
| article pdf uploaded. | 7 June 2017 13:57 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1311/pdf |
