| article html file updated | 5 February 2020 16:18 CET | Update | https://www.mdpi.com/2072-6651/3/1/17 |
| article html file updated | 9 May 2019 02:47 CEST | Update | - |
| article html file updated | 20 March 2019 04:58 CET | Update | - |
| article html file updated | 16 June 2015 13:25 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/2072-6651/3/1/17/xml |
| article html file updated | 6 February 2013 19:23 CET | Update | - |
| article html file updated | 5 February 2013 23:18 CET | Update | - |
| article html file updated | 28 January 2013 20:49 CET | Update | - |
| article html file updated | 26 January 2013 00:27 CET | Update | - |
| article html file updated | 22 January 2013 08:01 CET | Original file | - |
