| article html file updated | 9 February 2020 22:24 CET | Update | https://www.mdpi.com/2413-8851/2/3/52 |
| article html file updated | 4 October 2019 20:15 CEST | Update | - |
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| article html file updated | 31 July 2018 09:52 CEST | Update | - |
| article html file updated | 22 June 2018 08:07 CEST | Original file | - |
| article pdf uploaded. | 22 June 2018 08:05 CEST | Version of Record | https://www.mdpi.com/2413-8851/2/3/52/pdf |
| article xml uploaded. | 22 June 2018 08:05 CEST | Update | https://www.mdpi.com/2413-8851/2/3/52/xml |
| article xml file uploaded | 22 June 2018 08:05 CEST | Original file | - |