| article html file updated | 5 February 2020 23:48 CET | Update | https://www.mdpi.com/1422-0067/14/1/1031 |
| article html file updated | 19 September 2019 16:39 CEST | Update | - |
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| article html file updated | 8 February 2013 12:21 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:20 CET | Original file | https://www.mdpi.com/1422-0067/14/1/1031/xml |
| article pdf uploaded. | 24 January 2013 08:53 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/1031/pdf |
