| article html file updated | 5 February 2020 15:32 CET | Update | https://www.mdpi.com/1422-0067/11/9/3600 |
| article html file updated | 9 May 2019 04:15 CEST | Update | - |
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| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/11/9/3600/xml |
| article html file updated | 6 February 2013 18:36 CET | Update | - |
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| article html file updated | 18 January 2013 10:03 CET | Original file | - |
