| article html file updated | 6 February 2020 08:11 CET | Update | https://www.mdpi.com/2072-6694/6/2/723 |
| article html file updated | 20 September 2019 06:52 CEST | Update | - |
| article html file updated | 7 May 2019 16:46 CEST | Update | - |
| article html file updated | 21 March 2019 14:32 CET | Update | - |
| article html file updated | 20 August 2015 01:06 CEST | Update | - |
| article html file updated | 30 June 2014 09:44 CEST | Original file | - |
| article xml file uploaded | 30 June 2014 09:44 CEST | Original file | https://www.mdpi.com/2072-6694/6/2/723/xml |
| article pdf uploaded. | 26 March 2014 09:47 CET | Version of Record | https://www.mdpi.com/2072-6694/6/2/723/pdf |
