| article html file updated | 8 February 2020 21:25 CET | Update | https://www.mdpi.com/2077-1444/8/11/251 |
| article html file updated | 2 May 2019 14:30 CEST | Update | - |
| article html file updated | 18 April 2019 12:09 CEST | Update | - |
| article html file updated | 30 November 2017 12:06 CET | Update | - |
| article html file updated | 17 November 2017 20:10 CET | Original file | - |
| article xml uploaded. | 17 November 2017 20:08 CET | Original file | https://www.mdpi.com/2077-1444/8/11/251/xml |
| article pdf uploaded. | 17 November 2017 20:08 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/11/251/pdf |
| article pdf uploaded. | 16 November 2017 16:37 CET | Version of Record | https://www.mdpi.com/2077-1444/8/11/251/pdf-vor |
