| article html file updated | 7 February 2020 10:17 CET | Update | https://www.mdpi.com/1424-8220/16/6/897 |
| article html file updated | 5 May 2019 12:45 CEST | Update | - |
| article html file updated | 27 March 2019 07:41 CET | Update | - |
| article html file updated | 29 June 2016 11:01 CEST | Update | - |
| article html file updated | 16 June 2016 14:51 CEST | Original file | - |
| article xml uploaded. | 16 June 2016 14:49 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/897/xml |
| article pdf uploaded. | 16 June 2016 14:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/897/pdf |
