| article html file updated | 8 February 2020 08:05 CET | Update | https://www.mdpi.com/2073-4425/8/6/161 |
| article html file updated | 25 September 2019 07:22 CEST | Update | - |
| article html file updated | 3 May 2019 17:50 CEST | Update | - |
| article html file updated | 27 June 2017 10:34 CEST | Update | - |
| article html file updated | 12 June 2017 13:44 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 13:43 CEST | Original file | https://www.mdpi.com/2073-4425/8/6/161/xml |
| article pdf uploaded. | 12 June 2017 13:43 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/6/161/pdf |
