| article html file updated | 6 February 2020 00:52 CET | Update | https://www.mdpi.com/2076-3425/3/1/215 |
| article html file updated | 8 May 2019 07:39 CEST | Update | - |
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| article html file updated | 17 June 2015 07:13 CEST | Update | - |
| article html file updated | 20 May 2014 08:35 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 08:35 CEST | Original file | https://www.mdpi.com/2076-3425/3/1/215/xml |
| article pdf uploaded. | 7 March 2013 09:00 CET | Version of Record | https://www.mdpi.com/2076-3425/3/1/215/pdf |
