| article html file updated | 6 February 2020 22:42 CET | Update | https://www.mdpi.com/2072-6651/7/9/3657 |
| article html file updated | 6 May 2019 11:33 CEST | Update | - |
| article html file updated | 26 March 2019 10:32 CET | Update | - |
| article html file updated | 28 September 2015 11:54 CEST | Update | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Update | https://www.mdpi.com/2072-6651/7/9/3657/xml |
| article html file updated | 14 September 2015 08:37 CEST | Original file | - |
| article xml file uploaded | 14 September 2015 08:37 CEST | Original file | - |
| article pdf uploaded. | 11 September 2015 16:21 CEST | Updated version of record | https://www.mdpi.com/2072-6651/7/9/3657/pdf |
| article pdf uploaded. | 11 September 2015 14:31 CEST | Version of Record | - |
