| article html file updated | 8 February 2020 07:37 CET | Update | https://www.mdpi.com/2073-4352/7/6/167 |
| article html file updated | 25 September 2019 05:00 CEST | Update | - |
| article html file updated | 3 May 2019 18:43 CEST | Update | - |
| article html file updated | 30 June 2017 11:26 CEST | Update | - |
| article html file updated | 6 June 2017 14:03 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 14:01 CEST | Update | https://www.mdpi.com/2073-4352/7/6/167/xml |
| article pdf uploaded. | 6 June 2017 14:01 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/167/pdf |
