| article html file updated | 9 February 2020 14:41 CET | Update | https://www.mdpi.com/2223-7747/7/2/36 |
| article html file updated | 2 October 2019 19:53 CEST | Update | - |
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| article html file updated | 27 June 2018 14:08 CEST | Update | - |
| article html file updated | 25 April 2018 12:34 CEST | Update | - |
| article xml uploaded. | 25 April 2018 12:33 CEST | Update | https://www.mdpi.com/2223-7747/7/2/36/xml |
| article pdf uploaded. | 25 April 2018 12:33 CEST | Updated version of record | https://www.mdpi.com/2223-7747/7/2/36/pdf |
| article html file updated | 20 April 2018 13:38 CEST | Original file | - |
| article pdf uploaded. | 20 April 2018 13:36 CEST | Version of Record | https://www.mdpi.com/2223-7747/7/2/36/pdf-vor |
| article xml file uploaded | 20 April 2018 13:36 CEST | Original file | - |