| article html file updated | 7 February 2020 11:54 CET | Update | https://www.mdpi.com/2073-4344/6/7/104 |
| article html file updated | 5 May 2019 09:47 CEST | Update | - |
| article html file updated | 27 March 2019 10:40 CET | Update | - |
| article html file updated | 28 July 2016 09:20 CEST | Update | - |
| article html file updated | 19 July 2016 11:54 CEST | Original file | - |
| article xml uploaded. | 19 July 2016 11:53 CEST | Original file | https://www.mdpi.com/2073-4344/6/7/104/xml |
| article pdf uploaded. | 19 July 2016 11:53 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/7/104/pdf |
