| article html file updated | 7 February 2020 14:02 CET | Update | https://www.mdpi.com/2077-1444/7/9/106 |
| article html file updated | 21 September 2019 23:50 CEST | Update | - |
| article html file updated | 5 May 2019 05:50 CEST | Update | - |
| article html file updated | 27 March 2019 15:07 CET | Update | - |
| article html file updated | 27 September 2016 11:24 CEST | Update | - |
| article html file updated | 29 August 2016 10:25 CEST | Original file | - |
| article xml uploaded. | 29 August 2016 10:23 CEST | Original file | https://www.mdpi.com/2077-1444/7/9/106/xml |
| article pdf uploaded. | 29 August 2016 10:23 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/9/106/pdf |
