| article html file updated | 8 February 2020 16:29 CET | Update | https://www.mdpi.com/1424-8220/17/9/2144 |
| article html file updated | 27 September 2019 05:06 CEST | Update | - |
| article html file updated | 3 May 2019 01:26 CEST | Update | - |
| article html file updated | 30 September 2017 15:10 CEST | Update | - |
| article html file updated | 18 September 2017 15:48 CEST | Original file | - |
| article xml uploaded. | 18 September 2017 15:46 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2144/xml |
| article pdf uploaded. | 18 September 2017 15:46 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2144/pdf |
| article pdf uploaded. | 18 September 2017 12:48 CEST | Version of Record | - |
