| article html file updated | 9 February 2020 13:52 CET | Update | https://www.mdpi.com/1999-4923/10/2/49 |
| article html file updated | 2 October 2019 15:19 CEST | Update | - |
| article html file updated | 1 May 2019 03:23 CEST | Update | - |
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| article html file updated | 27 June 2018 13:37 CEST | Update | - |
| article html file updated | 15 April 2018 09:28 CEST | Original file | - |
| article xml uploaded. | 15 April 2018 09:27 CEST | Original file | https://www.mdpi.com/1999-4923/10/2/49/xml |
| article pdf uploaded. | 15 April 2018 09:27 CEST | Version of Record | https://www.mdpi.com/1999-4923/10/2/49/pdf |
