| article html file updated | 9 February 2020 14:57 CET | Update | https://www.mdpi.com/2075-4701/8/4/290 |
| article html file updated | 2 October 2019 21:27 CEST | Update | N/A |
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| article html file updated | 23 April 2018 13:32 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 13:31 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/290/pdf |
| article xml uploaded. | 23 April 2018 13:31 CEST | Update | https://www.mdpi.com/2075-4701/8/4/290/xml |
| article xml file uploaded | 23 April 2018 13:30 CEST | Original file | N/A |