| article html file updated | 11 February 2020 05:20 CET | Update | https://www.mdpi.com/2075-4418/9/1/3 |
| article html file updated | 12 October 2019 12:15 CEST | Update | - |
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| article html file updated | 26 December 2018 18:37 CET | Original file | - |
| article pdf uploaded. | 26 December 2018 06:51 CET | Version of Record | https://www.mdpi.com/2075-4418/9/1/3/pdf |
| article xml uploaded. | 26 December 2018 06:51 CET | Update | https://www.mdpi.com/2075-4418/9/1/3/xml |
| article xml file uploaded | 26 December 2018 06:51 CET | Original file | - |
