| article html file updated | 30 August 2025 01:10 CEST | Update | https://www.mdpi.com/2076-3417/7/9/939 |
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| article xml uploaded. | 12 September 2017 14:36 CEST | Original file | https://www.mdpi.com/2076-3417/7/9/939/xml |
| article pdf uploaded. | 12 September 2017 14:36 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/9/939/pdf |
| article pdf uploaded. | 12 September 2017 12:22 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/939/pdf-vor |
