| article html file updated | 7 February 2020 12:09 CET | Update | https://www.mdpi.com/2079-4991/6/7/136 |
| article html file updated | 5 May 2019 09:21 CEST | Update | - |
| article html file updated | 27 March 2019 11:07 CET | Update | - |
| article html file updated | 29 July 2016 13:10 CEST | Update | - |
| article html file updated | 28 July 2016 08:56 CEST | Update | - |
| article html file updated | 22 July 2016 09:54 CEST | Original file | - |
| article xml uploaded. | 22 July 2016 09:52 CEST | Original file | https://www.mdpi.com/2079-4991/6/7/136/xml |
| article pdf uploaded. | 22 July 2016 09:52 CEST | Version of Record | https://www.mdpi.com/2079-4991/6/7/136/pdf |
