| article html file updated | 30 August 2025 14:05 CEST | Update | https://www.mdpi.com/2218-273X/9/4/151 |
| article html file updated | 19 July 2022 17:38 CEST | Update | N/A |
| article html file updated | 12 February 2020 05:55 CET | Update | N/A |
| article html file updated | 18 October 2019 12:14 CEST | Update | N/A |
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| article xml uploaded. | 22 April 2019 14:49 CEST | Update | https://www.mdpi.com/2218-273X/9/4/151/xml |
| article pdf uploaded. | 22 April 2019 14:49 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/4/151/pdf |
| article html file updated | 17 April 2019 13:02 CEST | Original file | N/A |
| article pdf uploaded. | 17 April 2019 13:01 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/4/151/pdf-vor |
| article xml file uploaded | 17 April 2019 13:01 CEST | Original file | N/A |