| article html file updated | 7 February 2020 11:24 CET | Update | https://www.mdpi.com/1424-8247/9/3/43 |
| article html file updated | 5 May 2019 10:42 CEST | Update | - |
| article html file updated | 27 March 2019 09:43 CET | Update | - |
| article html file updated | 9 November 2017 12:30 CET | Update | - |
| article html file updated | 27 October 2017 10:43 CEST | Update | - |
| article html file updated | 28 September 2016 11:57 CEST | Update | - |
| article html file updated | 8 July 2016 11:10 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 11:08 CEST | Original file | https://www.mdpi.com/1424-8247/9/3/43/xml |
| article pdf uploaded. | 8 July 2016 11:08 CEST | Version of Record | https://www.mdpi.com/1424-8247/9/3/43/pdf |
