| article html file updated | 6 February 2020 12:13 CET | Update | https://www.mdpi.com/2072-6643/6/9/3641 |
| article html file updated | 20 September 2019 12:54 CEST | Update | - |
| article html file updated | 7 May 2019 08:20 CEST | Update | - |
| article html file updated | 22 March 2019 00:51 CET | Update | - |
| article html file updated | 20 August 2015 19:05 CEST | Update | - |
| article html file updated | 30 September 2014 06:01 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:01 CEST | Original file | https://www.mdpi.com/2072-6643/6/9/3641/xml |
| article pdf uploaded. | 15 September 2014 14:04 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/9/3641/pdf |
