| article html file updated | 30 August 2025 00:20 CEST | Update | https://www.mdpi.com/1999-4915/9/2/27 |
| article html file updated | 16 July 2022 04:43 CEST | Update | N/A |
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| article html file updated | 13 February 2017 10:13 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 10:11 CET | Original file | https://www.mdpi.com/1999-4915/9/2/27/xml |
| article pdf uploaded. | 13 February 2017 10:11 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/2/27/pdf |
| article pdf uploaded. | 2 February 2017 14:30 CET | Version of Record | https://www.mdpi.com/1999-4915/9/2/27/pdf-vor |
