| article html file updated | 7 February 2020 11:16 CET | Update | https://new.mdpi.com/2073-4352/6/7/77 |
| article html file updated | 5 May 2019 10:57 CEST | Update | - |
| article html file updated | 27 March 2019 09:27 CET | Update | - |
| article html file updated | 28 July 2016 09:19 CEST | Update | - |
| article html file updated | 5 July 2016 13:00 CEST | Original file | - |
| article xml uploaded. | 5 July 2016 12:58 CEST | Original file | https://new.mdpi.com/2073-4352/6/7/77/xml |
| article pdf uploaded. | 5 July 2016 12:58 CEST | Version of Record | https://new.mdpi.com/2073-4352/6/7/77/pdf |
