| article html file updated | 7 February 2020 12:45 CET | Update | https://www.mdpi.com/2076-2615/6/8/46 |
| article html file updated | 21 September 2019 22:16 CEST | Update | - |
| article html file updated | 5 May 2019 08:10 CEST | Update | - |
| article html file updated | 27 March 2019 12:22 CET | Update | - |
| article html file updated | 25 August 2016 06:30 CEST | Update | - |
| article html file updated | 3 August 2016 09:29 CEST | Original file | - |
| article xml uploaded. | 3 August 2016 09:27 CEST | Original file | https://www.mdpi.com/2076-2615/6/8/46/xml |
| article pdf uploaded. | 3 August 2016 09:27 CEST | Version of Record | https://www.mdpi.com/2076-2615/6/8/46/pdf |
