| article html file updated | 8 February 2020 03:12 CET | Update | https://www.mdpi.com/2073-4352/7/4/105 |
| article html file updated | 24 September 2019 05:39 CEST | Update | - |
| article html file updated | 4 May 2019 02:57 CEST | Update | - |
| article html file updated | 28 April 2017 05:49 CEST | Update | - |
| article html file updated | 11 April 2017 10:32 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 10:31 CEST | Original file | https://www.mdpi.com/2073-4352/7/4/105/xml |
| article pdf uploaded. | 11 April 2017 10:31 CEST | Updated version of record | https://www.mdpi.com/2073-4352/7/4/105/pdf |
| article pdf uploaded. | 9 April 2017 10:56 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/4/105/pdf-vor |
