| article html file updated | 7 February 2020 11:56 CET | Update | https://www.mdpi.com/2075-163X/6/3/74 |
| article html file updated | 5 May 2019 09:43 CEST | Update | - |
| article html file updated | 27 March 2019 10:44 CET | Update | - |
| article html file updated | 28 September 2016 07:39 CEST | Update | - |
| article html file updated | 19 July 2016 15:09 CEST | Original file | - |
| article xml uploaded. | 19 July 2016 15:07 CEST | Update | https://www.mdpi.com/2075-163X/6/3/74/xml |
| article pdf uploaded. | 19 July 2016 15:06 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/3/74/pdf |
