| article html file updated | 14 August 2026 16:18 CEST | Update | https://www.mdpi.com/2073-4441/9/8/568 |
| article html file updated | 8 February 2020 12:22 CET | Update | N/A |
| article html file updated | 26 September 2019 06:17 CEST | Update | N/A |
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| article xml uploaded. | 4 August 2017 14:26 CEST | Original file | https://www.mdpi.com/2073-4441/9/8/568/xml |
| article pdf uploaded. | 4 August 2017 14:26 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/8/568/pdf |
| article pdf uploaded. | 30 July 2017 15:37 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/8/568/pdf-vor |
