| article html file updated | 9 February 2020 03:15 CET | Update | https://www.mdpi.com/2076-3425/8/1/16 |
| article html file updated | 2 May 2019 01:53 CEST | Update | - |
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| article html file updated | 1 February 2018 13:59 CET | Update | - |
| article html file updated | 16 January 2018 13:27 CET | Original file | - |
| article xml uploaded. | 16 January 2018 13:25 CET | Original file | https://www.mdpi.com/2076-3425/8/1/16/xml |
| article pdf uploaded. | 16 January 2018 13:25 CET | Version of Record | https://www.mdpi.com/2076-3425/8/1/16/pdf |
