| article html file updated | 8 February 2020 10:58 CET | Update | https://www.mdpi.com/2072-4292/9/7/721 |
| article html file updated | 25 September 2019 22:33 CEST | Update | N/A |
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| article html file updated | 31 July 2017 09:19 CEST | Update | N/A |
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| article xml uploaded. | 19 July 2017 14:13 CEST | Update | https://www.mdpi.com/2072-4292/9/7/721/xml |
| article pdf uploaded. | 19 July 2017 14:13 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/7/721/pdf |
| article html file updated | 13 July 2017 15:47 CEST | Update | N/A |
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| article html file updated | 13 July 2017 15:46 CEST | Original file | N/A |
| article pdf uploaded. | 13 July 2017 15:45 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/7/721/pdf-vor |
