| article html file updated | 9 February 2020 03:33 CET | Update | https://www.mdpi.com/2075-4701/8/1/65 |
| article html file updated | 30 September 2019 01:00 CEST | Update | N/A |
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| article html file updated | 18 January 2018 16:48 CET | Original file | N/A |
| article xml uploaded. | 18 January 2018 16:47 CET | Original file | https://www.mdpi.com/2075-4701/8/1/65/xml |
| article pdf uploaded. | 18 January 2018 16:47 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/65/pdf |
