| article html file updated | 7 February 2020 20:35 CET | Update | https://www.mdpi.com/2072-4292/9/1/24 |
| article html file updated | 22 September 2019 16:46 CEST | Update | N/A |
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| article html file updated | 8 February 2017 10:18 CET | Update | N/A |
| article html file updated | 30 December 2016 12:25 CET | Original file | N/A |
| article xml uploaded. | 30 December 2016 12:24 CET | Original file | https://www.mdpi.com/2072-4292/9/1/24/xml |
| article pdf uploaded. | 30 December 2016 12:24 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/24/pdf |
