| article html file updated | 10 September 2021 05:37 CEST | Update | https://www.mdpi.com/2072-4292/10/2/221 |
| article html file updated | 9 February 2020 05:13 CET | Update | - |
| article html file updated | 30 September 2019 10:45 CEST | Update | - |
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| article xml uploaded. | 6 February 2018 10:33 CET | Update | https://www.mdpi.com/2072-4292/10/2/221/xml |
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| article pdf uploaded. | 6 February 2018 10:33 CET | Updated version of record | https://www.mdpi.com/2072-4292/10/2/221/pdf |
| article html file updated | 1 February 2018 17:20 CET | Original file | - |
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| article pdf uploaded. | 1 February 2018 17:18 CET | Version of Record | https://www.mdpi.com/2072-4292/10/2/221/pdf-vor |
