| article html file updated | 7 February 2020 12:07 CET | Update | https://www.mdpi.com/2079-4991/6/7/135 |
| article html file updated | 5 May 2019 09:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:05 CET | Update | N/A |
| article html file updated | 29 July 2016 13:10 CEST | Update | N/A |
| article html file updated | 28 July 2016 08:55 CEST | Update | N/A |
| article html file updated | 22 July 2016 10:11 CEST | Original file | N/A |
| article xml uploaded. | 22 July 2016 10:10 CEST | Original file | https://www.mdpi.com/2079-4991/6/7/135/xml |
| article pdf uploaded. | 22 July 2016 10:10 CEST | Version of Record | https://www.mdpi.com/2079-4991/6/7/135/pdf |
