| article html file updated | 6 February 2020 05:54 CET | Update | https://www.mdpi.com/1422-0067/14/12/23545 |
| article html file updated | 7 May 2019 21:26 CEST | Update | - |
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| article html file updated | 19 August 2015 11:55 CEST | Update | - |
| article html file updated | 31 December 2013 09:19 CET | Original file | - |
| article xml file uploaded | 31 December 2013 09:19 CET | Original file | https://www.mdpi.com/1422-0067/14/12/23545/xml |
| article pdf uploaded. | 2 December 2013 12:29 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/23545/pdf |
