| article html file updated | 5 February 2020 15:25 CET | Update | https://www.mdpi.com/1422-0067/11/9/3149 |
| article html file updated | 9 May 2019 04:30 CEST | Update | N/A |
| article html file updated | 20 March 2019 02:52 CET | Update | N/A |
| article html file updated | 16 June 2015 11:40 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:05 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/11/9/3149/xml |
| article html file updated | 6 February 2013 18:30 CET | Update | N/A |
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| article html file updated | 25 January 2013 23:21 CET | Update | N/A |
| article html file updated | 22 January 2013 03:54 CET | Update | N/A |
| article html file updated | 18 January 2013 09:37 CET | Original file | N/A |
