| article html file updated | 30 August 2025 14:00 CEST | Update | https://www.mdpi.com/1999-5903/11/4/97 |
| article html file updated | 19 July 2022 17:33 CEST | Update | N/A |
| article html file updated | 12 February 2020 05:22 CET | Update | N/A |
| article html file updated | 18 October 2019 08:33 CEST | Update | N/A |
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| article html file updated | 25 April 2019 11:40 CEST | Update | N/A |
| article html file updated | 15 April 2019 11:35 CEST | Original file | N/A |
| article pdf uploaded. | 15 April 2019 11:33 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/4/97/pdf |
| article xml uploaded. | 15 April 2019 11:33 CEST | Update | https://www.mdpi.com/1999-5903/11/4/97/xml |
| article xml file uploaded | 15 April 2019 11:33 CEST | Original file | N/A |
