| article html file updated | 7 February 2020 07:59 CET | Update | https://www.mdpi.com/1424-8220/16/5/621 |
| article html file updated | 5 May 2019 17:10 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:22 CET | Update | N/A |
| article html file updated | 27 May 2016 08:43 CEST | Update | N/A |
| article html file updated | 29 April 2016 09:04 CEST | Original file | N/A |
| article xml uploaded. | 29 April 2016 09:02 CEST | Original file | https://www.mdpi.com/1424-8220/16/5/621/xml |
| article pdf uploaded. | 29 April 2016 09:02 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/5/621/pdf |
