| article html file updated | 30 August 2025 06:09 CEST | Update | https://www.mdpi.com/1999-4907/9/8/504 |
| article html file updated | 17 July 2022 01:07 CEST | Update | N/A |
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| article html file updated | 23 August 2018 14:07 CEST | Update | N/A |
| article html file updated | 17 August 2018 15:28 CEST | Original file | N/A |
| article pdf uploaded. | 17 August 2018 15:26 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/8/504/pdf |
| article xml uploaded. | 17 August 2018 15:26 CEST | Update | https://www.mdpi.com/1999-4907/9/8/504/xml |
| article xml file uploaded | 17 August 2018 15:26 CEST | Original file | N/A |
