| article html file updated | 6 February 2020 13:21 CET | Update | https://www.mdpi.com/1422-0067/15/11/20072 |
| article html file updated | 20 September 2019 14:30 CEST | Update | - |
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| article html file updated | 21 August 2015 01:06 CEST | Update | - |
| article html file updated | 12 December 2014 08:48 CET | Original file | - |
| article xml file uploaded | 12 December 2014 08:48 CET | Original file | https://www.mdpi.com/1422-0067/15/11/20072/xml |
| article pdf uploaded. | 4 November 2014 11:26 CET | Version of Record | https://www.mdpi.com/1422-0067/15/11/20072/pdf |
