| article html file updated | 30 August 2025 14:32 CEST | Update | https://www.mdpi.com/2227-9032/7/2/67 |
| article html file updated | 19 July 2022 18:05 CEST | Update | N/A |
| article html file updated | 12 February 2020 08:56 CET | Update | N/A |
| article html file updated | 19 October 2019 07:19 CEST | Update | N/A |
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| article html file updated | 30 April 2019 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 30 April 2019 11:28 CEST | Version of Record | https://www.mdpi.com/2227-9032/7/2/67/pdf |
| article xml uploaded. | 30 April 2019 11:28 CEST | Update | https://www.mdpi.com/2227-9032/7/2/67/xml |
| article xml file uploaded | 30 April 2019 11:28 CEST | Original file | N/A |
