| article html file updated | 7 February 2020 11:27 CET | Update | https://www.mdpi.com/2075-163X/6/3/71 |
| article html file updated | 5 May 2019 10:35 CEST | Update | - |
| article html file updated | 27 March 2019 09:50 CET | Update | - |
| article html file updated | 28 September 2016 07:37 CEST | Update | - |
| article html file updated | 9 July 2016 11:20 CEST | Original file | - |
| article xml uploaded. | 9 July 2016 11:19 CEST | Update | https://www.mdpi.com/2075-163X/6/3/71/xml |
| article pdf uploaded. | 9 July 2016 11:19 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/3/71/pdf |
