| article html file updated | 8 February 2020 08:39 CET | Update | https://www.mdpi.com/2073-4352/7/6/175 |
| article html file updated | 25 September 2019 10:20 CEST | Update | - |
| article html file updated | 3 May 2019 16:46 CEST | Update | - |
| article html file updated | 30 June 2017 11:26 CEST | Update | - |
| article html file updated | 19 June 2017 09:54 CEST | Original file | - |
| article xml uploaded. | 19 June 2017 09:53 CEST | Original file | https://www.mdpi.com/2073-4352/7/6/175/xml |
| article pdf uploaded. | 19 June 2017 09:53 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/175/pdf |
