| article html file updated | 14 August 2026 19:29 CEST | Update | https://www.mdpi.com/2073-4360/9/12/642 |
| article html file updated | 8 February 2020 22:07 CET | Update | N/A |
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| article html file updated | 24 November 2017 12:37 CET | Original file | N/A |
| article xml uploaded. | 24 November 2017 12:36 CET | Original file | https://www.mdpi.com/2073-4360/9/12/642/xml |
| article pdf uploaded. | 24 November 2017 12:36 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/642/pdf |
