| article html file updated | 8 February 2020 15:45 CET | Update | https://www.mdpi.com/1424-8220/17/9/2070 |
| article html file updated | 27 September 2019 01:05 CEST | Update | - |
| article html file updated | 3 May 2019 02:47 CEST | Update | - |
| article html file updated | 30 September 2017 14:55 CEST | Update | - |
| article html file updated | 11 September 2017 13:00 CEST | Update | - |
| article xml uploaded. | 11 September 2017 12:58 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2070/xml |
| article xml uploaded. | 11 September 2017 12:58 CEST | Update | - |
| article pdf uploaded. | 11 September 2017 12:58 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2070/pdf |
| article html file updated | 9 September 2017 09:33 CEST | Original file | - |
| article xml uploaded. | 9 September 2017 09:32 CEST | Update | - |
| article xml uploaded. | 9 September 2017 09:32 CEST | Original file | - |
| article pdf uploaded. | 9 September 2017 09:32 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2070/pdf-vor |
