| article html file updated | 6 February 2020 11:25 CET | Update | https://www.mdpi.com/2073-4441/6/8/2436 |
| article html file updated | 7 May 2019 09:49 CEST | Update | - |
| article html file updated | 21 March 2019 22:58 CET | Update | - |
| article html file updated | 20 August 2015 15:14 CEST | Update | - |
| article html file updated | 26 August 2014 04:52 CEST | Original file | - |
| article xml file uploaded | 26 August 2014 04:52 CEST | Original file | https://www.mdpi.com/2073-4441/6/8/2436/xml |
| article pdf uploaded. | 13 August 2014 11:04 CEST | Version of Record | https://www.mdpi.com/2073-4441/6/8/2436/pdf |
