| article html file updated | 7 February 2020 00:31 CET | Update | https://www.mdpi.com/2077-0472/5/4/1060 |
| article html file updated | 6 May 2019 07:51 CEST | Update | - |
| article html file updated | 26 March 2019 13:57 CET | Original file | - |
| article pdf uploaded. | 4 November 2015 04:55 CET | Updated version of record | https://www.mdpi.com/2077-0472/5/4/1060/pdf |
| article pdf uploaded. | 3 November 2015 13:51 CET | Version of Record | https://www.mdpi.com/2077-0472/5/4/1060/pdf-vor |
