| article html file updated | 8 February 2020 14:35 CET | Update | https://www.mdpi.com/1424-8220/17/9/1967 |
| article html file updated | 26 September 2019 18:42 CEST | Update | - |
| article html file updated | 3 May 2019 04:56 CEST | Update | - |
| article html file updated | 30 September 2017 14:34 CEST | Update | - |
| article html file updated | 26 August 2017 11:39 CEST | Original file | - |
| article xml uploaded. | 26 August 2017 11:38 CEST | Update | https://www.mdpi.com/1424-8220/17/9/1967/xml |
| article xml uploaded. | 26 August 2017 11:38 CEST | Original file | - |
| article pdf uploaded. | 26 August 2017 11:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/1967/pdf |
