| article html file updated | 6 February 2020 22:53 CET | Update | https://www.mdpi.com/1424-8247/8/3/590 |
| article html file updated | 6 May 2019 11:11 CEST | Update | - |
| article html file updated | 26 March 2019 10:53 CET | Update | - |
| article html file updated | 9 November 2017 12:16 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Update | https://www.mdpi.com/1424-8247/8/3/590/xml |
| article html file updated | 17 September 2015 13:42 CEST | Original file | - |
| article xml file uploaded | 17 September 2015 13:42 CEST | Original file | - |
| article pdf uploaded. | 17 September 2015 10:31 CEST | Version of Record | https://www.mdpi.com/1424-8247/8/3/590/pdf |
