| article html file updated | 5 February 2020 18:28 CET | Update | https://www.mdpi.com/2072-6694/3/4/4024 |
| article html file updated | 8 January 2020 14:56 CET | Update | - |
| article html file updated | 19 September 2019 06:35 CEST | Update | - |
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| article html file updated | 16 June 2015 19:33 CEST | Update | - |
| article html file updated | 5 September 2013 12:05 CEST | Update | - |
| article xml file uploaded | 5 September 2013 12:05 CEST | Update | https://www.mdpi.com/2072-6694/3/4/4024/xml |
| article html file updated | 4 September 2013 15:16 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:16 CEST | Update | - |
| article html file updated | 28 August 2013 10:30 CEST | Update | - |
| article xml file uploaded | 28 August 2013 10:30 CEST | Original file | - |
| article html file updated | 6 February 2013 23:14 CET | Update | - |
| article html file updated | 6 February 2013 03:03 CET | Update | - |
| article html file updated | 29 January 2013 00:20 CET | Update | - |
| article html file updated | 26 January 2013 05:52 CET | Update | - |
| article html file updated | 23 January 2013 00:58 CET | Original file | - |
