| article html file updated | 6 February 2020 09:44 CET | Update | https://www.mdpi.com/1422-0067/15/6/10067 |
| article html file updated | 7 May 2019 13:35 CEST | Update | N/A |
| article html file updated | 21 March 2019 18:14 CET | Update | N/A |
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| article html file updated | 16 July 2014 08:48 CEST | Update | N/A |
| article xml file uploaded | 16 July 2014 08:48 CEST | Update | https://www.mdpi.com/1422-0067/15/6/10067/xml |
| article html file updated | 11 July 2014 10:33 CEST | Update | N/A |
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| article html file updated | 4 July 2014 03:25 CEST | Original file | N/A |
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| article pdf uploaded. | 5 June 2014 11:58 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/6/10067/pdf |