| article html file updated | 6 February 2020 16:57 CET | Update | https://www.mdpi.com/1422-0067/16/4/6677 |
| article html file updated | 6 May 2019 23:10 CEST | Update | - |
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| article html file updated | 21 August 2015 09:16 CEST | Update | - |
| article html file updated | 7 May 2015 12:03 CEST | Original file | - |
| article xml file uploaded | 7 May 2015 12:03 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/6677/xml |
| article supplementary file uploaded. | 24 March 2015 16:39 CET | - | https://www.mdpi.com/1422-0067/16/4/6677#supplementary |
| article pdf uploaded. | 24 March 2015 16:39 CET | Version of Record | https://www.mdpi.com/1422-0067/16/4/6677/pdf |