| article html file updated | 7 February 2020 10:01 CET | Update | https://www.mdpi.com/1424-8220/16/6/858 |
| article html file updated | 5 May 2019 13:14 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:13 CET | Update | N/A |
| article html file updated | 29 June 2016 10:41 CEST | Update | N/A |
| article html file updated | 10 June 2016 08:58 CEST | Original file | N/A |
| article xml uploaded. | 10 June 2016 08:57 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/858/xml |
| article pdf uploaded. | 10 June 2016 08:57 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/858/pdf |
