| article html file updated | 8 February 2020 16:24 CET | Update | https://www.mdpi.com/1424-8220/17/9/2133 |
| article html file updated | 27 September 2019 04:43 CEST | Update | - |
| article html file updated | 3 May 2019 01:35 CEST | Update | - |
| article html file updated | 30 September 2017 15:08 CEST | Update | - |
| article html file updated | 16 September 2017 12:20 CEST | Original file | - |
| article xml uploaded. | 16 September 2017 12:19 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2133/xml |
| article xml uploaded. | 16 September 2017 12:19 CEST | Original file | - |
| article pdf uploaded. | 16 September 2017 12:19 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2133/pdf |
