| article html file updated | 6 February 2020 00:19 CET | Update | https://www.mdpi.com/2072-6694/5/1/149 |
| article html file updated | 8 May 2019 09:03 CEST | Update | - |
| article html file updated | 20 March 2019 18:00 CET | Update | - |
| article html file updated | 17 June 2015 06:01 CEST | Update | - |
| article html file updated | 6 August 2013 15:30 CEST | Update | - |
| article xml file uploaded | 6 August 2013 15:30 CEST | Original file | https://www.mdpi.com/2072-6694/5/1/149/xml |
| article html file updated | 8 February 2013 09:46 CET | Original file | - |
| article pdf uploaded. | 31 January 2013 08:49 CET | Version of Record | https://www.mdpi.com/2072-6694/5/1/149/pdf |
