| article html file updated | 23 October 2025 06:50 CEST | Update | https://www.mdpi.com/2076-2615/9/6/306 |
| article html file updated | 12 February 2020 16:43 CET | Update | - |
| article html file updated | 21 October 2019 02:39 CEST | Update | - |
| article html file updated | 31 May 2019 12:55 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 12:53 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/6/306/pdf |
| article xml uploaded. | 31 May 2019 12:53 CEST | Update | https://www.mdpi.com/2076-2615/9/6/306/xml |
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