| article html file updated | 5 February 2020 19:20 CET | Update | https://www.mdpi.com/2072-4292/4/2/439 |
| article html file updated | 8 May 2019 20:33 CEST | Update | N/A |
| article html file updated | 25 March 2019 09:11 CET | Update | N/A |
| article html file updated | 16 June 2015 21:32 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2072-4292/4/2/439/xml |
| article html file updated | 7 February 2013 10:14 CET | Update | N/A |
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| article html file updated | 6 February 2013 05:52 CET | Update | N/A |
| article html file updated | 29 January 2013 01:36 CET | Update | N/A |
| article html file updated | 26 January 2013 07:57 CET | Update | N/A |
| article html file updated | 23 January 2013 09:15 CET | Original file | N/A |
