| article html file updated | 5 February 2020 21:14 CET | Update | https://www.mdpi.com/1660-4601/9/7/2550 |
| article html file updated | 19 September 2019 12:00 CEST | Update | N/A |
| article html file updated | 8 May 2019 16:22 CEST | Update | N/A |
| article html file updated | 25 March 2019 12:53 CET | Update | N/A |
| article html file updated | 17 June 2015 01:07 CEST | Update | N/A |
| article html file updated | 7 February 2013 13:38 CET | Update | N/A |
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| article html file updated | 6 February 2013 08:58 CET | Update | N/A |
| article html file updated | 29 January 2013 15:54 CET | Update | N/A |
| article xml file uploaded | 29 January 2013 15:54 CET | Original file | https://www.mdpi.com/1660-4601/9/7/2550/xml |
| article html file updated | 29 January 2013 05:24 CET | Update | N/A |
| article html file updated | 26 January 2013 12:47 CET | Update | N/A |
| article html file updated | 23 January 2013 22:13 CET | Original file | N/A |
