| article html file updated | 9 February 2020 00:51 CET | Update | https://www.mdpi.com/2072-4292/10/1/4 |
| article html file updated | 29 September 2019 09:43 CEST | Update | - |
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| article html file updated | 1 February 2018 11:15 CET | Update | - |
| article html file updated | 22 December 2017 13:31 CET | Original file | - |
| article xml uploaded. | 22 December 2017 13:29 CET | Update | https://www.mdpi.com/2072-4292/10/1/4/xml |
| article xml uploaded. | 22 December 2017 07:02 CET | Original file | - |
| article pdf uploaded. | 22 December 2017 07:02 CET | Version of Record | https://www.mdpi.com/2072-4292/10/1/4/pdf |
