| article html file updated | 6 February 2020 20:33 CET | Update | https://new.mdpi.com/1422-0067/16/7/15852 |
| article html file updated | 6 May 2019 15:59 CEST | Update | - |
| article html file updated | 26 March 2019 06:23 CET | Update | - |
| article html file updated | 21 August 2015 14:42 CEST | Update | - |
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| article xml file uploaded | 10 August 2015 12:32 CEST | Update | https://new.mdpi.com/1422-0067/16/7/15852/xml |
| article html file updated | 31 July 2015 11:40 CEST | Original file | - |
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| article pdf uploaded. | 13 July 2015 12:14 CEST | Version of Record | https://new.mdpi.com/1422-0067/16/7/15852/pdf |
