| article html file updated | 6 February 2020 06:11 CET | Update | https://www.mdpi.com/1422-0067/14/12/24305 |
| article html file updated | 7 May 2019 20:53 CEST | Update | - |
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| article html file updated | 19 August 2015 13:34 CEST | Update | - |
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| article xml file uploaded | 31 December 2013 09:28 CET | Original file | https://www.mdpi.com/1422-0067/14/12/24305/xml |
| article pdf uploaded. | 13 December 2013 12:10 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/24305/pdf |
