| article html file updated | 5 February 2020 14:02 CET | Update | https://www.mdpi.com/1660-3397/8/4/950 |
| article html file updated | 9 May 2019 07:24 CEST | Update | N/A |
| article html file updated | 19 March 2019 23:18 CET | Update | N/A |
| article html file updated | 16 June 2015 08:58 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/4/950/xml |
| article html file updated | 6 February 2013 17:01 CET | Update | N/A |
| article html file updated | 5 February 2013 21:11 CET | Update | N/A |
| article html file updated | 28 January 2013 18:44 CET | Update | N/A |
| article html file updated | 25 January 2013 21:37 CET | Update | N/A |
| article html file updated | 21 January 2013 22:10 CET | Update | N/A |
| article html file updated | 18 January 2013 04:13 CET | Original file | N/A |
