| article html file updated | 8 February 2020 03:30 CET | Update | https://www.mdpi.com/1424-8220/17/4/847 |
| article html file updated | 24 September 2019 07:10 CEST | Update | - |
| article html file updated | 4 May 2019 02:23 CEST | Update | - |
| article html file updated | 29 April 2017 14:09 CEST | Update | - |
| article html file updated | 13 April 2017 10:45 CEST | Original file | - |
| article xml uploaded. | 13 April 2017 10:44 CEST | Update | https://www.mdpi.com/1424-8220/17/4/847/xml |
| article pdf uploaded. | 13 April 2017 10:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/847/pdf |
