| article html file updated | 7 February 2020 09:17 CET | Update | https://www.mdpi.com/1424-8220/16/6/755 |
| article html file updated | 5 May 2019 14:41 CEST | Update | - |
| article html file updated | 27 March 2019 05:45 CET | Update | - |
| article html file updated | 29 June 2016 10:13 CEST | Update | - |
| article html file updated | 25 May 2016 13:46 CEST | Original file | - |
| article xml uploaded. | 25 May 2016 13:44 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/755/xml |
| article pdf uploaded. | 25 May 2016 13:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/755/pdf |
