| article html file updated | 7 February 2020 12:18 CET | Update | https://www.mdpi.com/2075-163X/6/3/77 |
| article html file updated | 5 May 2019 09:03 CEST | Update | - |
| article html file updated | 27 March 2019 11:24 CET | Update | - |
| article html file updated | 28 September 2016 07:40 CEST | Update | - |
| article html file updated | 26 July 2016 10:52 CEST | Original file | - |
| article xml uploaded. | 26 July 2016 10:51 CEST | Original file | https://www.mdpi.com/2075-163X/6/3/77/xml |
| article pdf uploaded. | 26 July 2016 10:51 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/3/77/pdf |
