| article html file updated | 5 February 2020 13:18 CET | Update | https://www.mdpi.com/2072-6651/2/1/24 |
| article html file updated | 9 May 2019 08:54 CEST | Update | - |
| article html file updated | 19 March 2019 21:32 CET | Update | - |
| article html file updated | 16 June 2015 07:52 CEST | Update | - |
| article html file updated | 18 March 2014 09:57 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:57 CET | Original file | https://www.mdpi.com/2072-6651/2/1/24/xml |
| article html file updated | 6 February 2013 16:19 CET | Update | - |
| article html file updated | 5 February 2013 20:27 CET | Update | - |
| article html file updated | 28 January 2013 18:04 CET | Update | - |
| article html file updated | 25 January 2013 20:40 CET | Update | - |
| article html file updated | 21 January 2013 19:14 CET | Update | - |
| article html file updated | 18 January 2013 01:21 CET | Original file | - |
| Correction published | 19 January 2010 00:00 CET | Correction | http://www.mdpi.com/2072-6651/2/1/93 |