| article html file updated | 8 February 2020 14:16 CET | Update | https://www.mdpi.com/1424-8220/17/9/1941 |
| article html file updated | 26 September 2019 17:05 CEST | Update | - |
| article html file updated | 3 May 2019 05:32 CEST | Update | - |
| article html file updated | 30 September 2017 15:15 CEST | Update | - |
| article html file updated | 23 August 2017 14:58 CEST | Original file | - |
| article xml uploaded. | 23 August 2017 14:56 CEST | Update | https://www.mdpi.com/1424-8220/17/9/1941/xml |
| article xml uploaded. | 23 August 2017 14:56 CEST | Original file | - |
| article pdf uploaded. | 23 August 2017 14:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/1941/pdf |
