| article html file updated | 13 September 2021 03:53 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1301 |
| article html file updated | 8 February 2020 07:36 CET | Update | - |
| article html file updated | 25 September 2019 04:58 CEST | Update | - |
| article html file updated | 3 May 2019 18:43 CEST | Update | - |
| article html file updated | 30 June 2017 22:37 CEST | Update | - |
| article html file updated | 29 June 2017 13:29 CEST | Update | - |
| article html file updated | 6 June 2017 13:23 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 13:21 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1301/xml |
| article pdf uploaded. | 6 June 2017 13:21 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1301/pdf |
