| article html file updated | 7 February 2020 07:39 CET | Update | https://www.mdpi.com/1424-8220/16/4/576 |
| article html file updated | 5 May 2019 17:52 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:41 CET | Update | N/A |
| article html file updated | 29 April 2016 05:21 CEST | Update | N/A |
| article html file updated | 22 April 2016 09:13 CEST | Original file | N/A |
| article xml uploaded. | 22 April 2016 09:11 CEST | Update | https://www.mdpi.com/1424-8220/16/4/576/xml |
| article pdf uploaded. | 22 April 2016 09:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/576/pdf |
