| article html file updated | 14 August 2026 21:06 CEST | Update | https://www.mdpi.com/1996-1073/11/1/208 |
| article html file updated | 9 February 2020 03:10 CET | Update | N/A |
| article html file updated | 29 September 2019 22:44 CEST | Update | N/A |
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| article html file updated | 15 January 2018 17:11 CET | Original file | N/A |
| article xml uploaded. | 15 January 2018 17:10 CET | Update | https://www.mdpi.com/1996-1073/11/1/208/xml |
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| article pdf uploaded. | 15 January 2018 17:10 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/208/pdf |
