| article html file updated | 6 February 2020 04:05 CET | Update | https://www.mdpi.com/1911-8074/5/1/115 |
| article html file updated | 8 May 2019 01:04 CEST | Update | - |
| article html file updated | 21 March 2019 03:52 CET | Update | - |
| article html file updated | 20 July 2017 08:39 CEST | Update | - |
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| article html file updated | 20 July 2017 08:37 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 08:36 CEST | Original file | https://www.mdpi.com/1911-8074/5/1/115/xml |
| article pdf uploaded. | 29 August 2013 17:26 CEST | Version of Record | https://www.mdpi.com/1911-8074/5/1/115/pdf |
