| article html file updated | 8 February 2020 08:09 CET | Update | https://www.mdpi.com/2073-4352/7/6/173 |
| article html file updated | 25 September 2019 07:39 CEST | Update | - |
| article html file updated | 3 May 2019 17:43 CEST | Update | - |
| article html file updated | 30 June 2017 11:26 CEST | Update | - |
| article html file updated | 13 June 2017 10:34 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 10:33 CEST | Original file | https://www.mdpi.com/2073-4352/7/6/173/xml |
| article pdf uploaded. | 13 June 2017 10:33 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/173/pdf |
