| article html file updated | 6 February 2020 20:37 CET | Update | https://www.mdpi.com/2073-4433/6/7/928 |
| article html file updated | 6 May 2019 15:51 CEST | Update | - |
| article html file updated | 26 March 2019 06:32 CET | Update | - |
| article html file updated | 21 August 2015 14:47 CEST | Update | - |
| article html file updated | 7 August 2015 14:51 CEST | Original file | - |
| article xml file uploaded | 7 August 2015 14:51 CEST | Original file | https://www.mdpi.com/2073-4433/6/7/928/xml |
| article pdf uploaded. | 14 July 2015 11:44 CEST | Version of Record | https://www.mdpi.com/2073-4433/6/7/928/pdf |
