| article html file updated | 7 February 2020 10:11 CET | Update | https://www.mdpi.com/1424-8220/16/6/879 |
| article html file updated | 5 May 2019 12:54 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:32 CET | Update | N/A |
| article html file updated | 29 June 2016 10:52 CEST | Update | N/A |
| article html file updated | 15 June 2016 13:38 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2016 13:36 CEST | Update | https://www.mdpi.com/1424-8220/16/6/879/xml |
| article pdf uploaded. | 15 June 2016 13:36 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/879/pdf |
