| article html file updated | 8 February 2020 14:38 CET | Update | https://www.mdpi.com/1424-8220/17/9/1975 |
| article html file updated | 26 September 2019 19:02 CEST | Update | - |
| article html file updated | 3 May 2019 04:50 CEST | Update | - |
| article html file updated | 30 September 2017 14:36 CEST | Update | - |
| article html file updated | 29 August 2017 09:50 CEST | Original file | - |
| article xml uploaded. | 29 August 2017 09:49 CEST | Update | https://www.mdpi.com/1424-8220/17/9/1975/xml |
| article xml uploaded. | 29 August 2017 09:49 CEST | Update | - |
| article xml uploaded. | 29 August 2017 09:49 CEST | Original file | - |
| article pdf uploaded. | 29 August 2017 09:49 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/1975/pdf |
| article pdf uploaded. | 28 August 2017 10:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/1975/pdf-vor |
