| article html file updated | 8 February 2020 03:33 CET | Update | https://www.mdpi.com/2073-4344/7/4/114 |
| article html file updated | 24 September 2019 07:30 CEST | Update | - |
| article html file updated | 4 May 2019 02:17 CEST | Update | - |
| article html file updated | 28 April 2017 05:34 CEST | Update | - |
| article html file updated | 14 April 2017 08:48 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 08:46 CEST | Update | https://www.mdpi.com/2073-4344/7/4/114/xml |
| article pdf uploaded. | 14 April 2017 08:46 CEST | Updated version of record | https://www.mdpi.com/2073-4344/7/4/114/pdf |
| article pdf uploaded. | 13 April 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/4/114/pdf-vor |
