| article html file updated | 14 August 2026 20:49 CEST | Update | https://www.mdpi.com/1996-1073/11/1/145 |
| article html file updated | 9 February 2020 02:16 CET | Update | N/A |
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| article xml uploaded. | 9 January 2018 04:00 CET | Original file | https://www.mdpi.com/1996-1073/11/1/145/xml |
| article pdf uploaded. | 9 January 2018 04:00 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/145/pdf |
| article pdf uploaded. | 7 January 2018 13:02 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/145/pdf-vor |
