| article html file updated | 29 August 2025 20:13 CEST | Update | https://www.mdpi.com/2073-4425/1/2/166 |
| article html file updated | 15 July 2022 21:34 CEST | Update | - |
| article html file updated | 5 February 2020 14:55 CET | Update | - |
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| article html file updated | 28 October 2015 11:04 CET | Update | - |
| article xml file uploaded | 28 October 2015 11:04 CET | Update | https://www.mdpi.com/2073-4425/1/2/166/xml |
| article html file updated | 16 June 2015 10:36 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
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| article html file updated | 18 March 2014 09:30 CET | Update | - |
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| article html file updated | 6 February 2013 18:00 CET | Update | - |
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| article html file updated | 28 January 2013 19:38 CET | Update | - |
| article html file updated | 25 January 2013 22:49 CET | Update | - |
| article html file updated | 22 January 2013 01:46 CET | Update | - |
| article html file updated | 18 January 2013 07:53 CET | Original file | - |