| article html file updated | 5 February 2020 21:46 CET | Update | https://www.mdpi.com/2075-1729/2/3/243 |
| article html file updated | 8 May 2019 15:16 CEST | Update | - |
| article html file updated | 20 March 2019 11:56 CET | Update | - |
| article html file updated | 17 June 2015 01:57 CEST | Update | - |
| article html file updated | 24 July 2014 10:31 CEST | Update | - |
| article xml file uploaded | 24 July 2014 10:31 CEST | Original file | https://www.mdpi.com/2075-1729/2/3/243/xml |
| article html file updated | 7 February 2013 14:40 CET | Update | - |
| article html file updated | 7 February 2013 05:43 CET | Update | - |
| article html file updated | 6 February 2013 09:59 CET | Update | - |
| article html file updated | 29 January 2013 06:16 CET | Update | - |
| article html file updated | 27 January 2013 05:52 CET | Update | - |
| article html file updated | 24 January 2013 00:57 CET | Original file | - |
