| article html file updated | 7 February 2020 09:36 CET | Update | https://www.mdpi.com/1424-8220/16/6/806 |
| article html file updated | 5 May 2019 14:02 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:21 CET | Update | N/A |
| article html file updated | 29 June 2016 10:25 CEST | Update | N/A |
| article html file updated | 1 June 2016 13:50 CEST | Original file | N/A |
| article xml uploaded. | 1 June 2016 13:49 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/806/xml |
| article pdf uploaded. | 1 June 2016 13:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/806/pdf |
