| article html file updated | 7 February 2020 19:35 CET | Update | https://www.mdpi.com/1660-3397/14/12/227 |
| article html file updated | 22 September 2019 11:22 CEST | Update | - |
| article html file updated | 4 May 2019 19:17 CEST | Update | - |
| article html file updated | 28 December 2016 05:06 CET | Update | - |
| article html file updated | 14 December 2016 09:37 CET | Original file | - |
| article xml uploaded. | 14 December 2016 09:35 CET | Original file | https://www.mdpi.com/1660-3397/14/12/227/xml |
| article pdf uploaded. | 14 December 2016 09:35 CET | Version of Record | https://www.mdpi.com/1660-3397/14/12/227/pdf |
