| article html file updated | 10 February 2020 21:42 CET | Update | https://www.mdpi.com/2411-5142/3/4/55 |
| article html file updated | 10 October 2019 13:43 CEST | Update | N/A |
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| article html file updated | 16 November 2018 09:43 CET | Original file | N/A |
| article pdf uploaded. | 16 November 2018 09:41 CET | Version of Record | https://www.mdpi.com/2411-5142/3/4/55/pdf |
| article xml uploaded. | 16 November 2018 09:41 CET | Update | https://www.mdpi.com/2411-5142/3/4/55/xml |
| article xml file uploaded | 16 November 2018 09:41 CET | Original file | N/A |