| article html file updated | 15 August 2026 00:19 CEST | Update | https://www.mdpi.com/1660-4601/15/4/703 |
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| article xml uploaded. | 13 April 2018 07:53 CEST | Update | https://www.mdpi.com/1660-4601/15/4/703/xml |
| article pdf uploaded. | 13 April 2018 07:53 CEST | Updated version of record | https://www.mdpi.com/1660-4601/15/4/703/pdf |
| article html file updated | 9 April 2018 11:11 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2018 11:10 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/703/pdf-vor |
