| article html file updated | 7 February 2020 05:38 CET | Update | https://www.mdpi.com/2079-4991/6/3/46 |
| article html file updated | 5 May 2019 22:02 CEST | Update | - |
| article html file updated | 26 March 2019 22:56 CET | Update | - |
| article html file updated | 24 February 2017 10:17 CET | Update | - |
| article html file updated | 28 March 2016 11:27 CEST | Original file | - |
| article pdf uploaded. | 9 March 2016 09:42 CET | Version of Record | https://www.mdpi.com/2079-4991/6/3/46/pdf |
| article xml uploaded. | 9 March 2016 09:42 CET | Original file | https://www.mdpi.com/2079-4991/6/3/46/xml |
