| article html file updated | 16 August 2026 21:31 CEST | Update | https://www.mdpi.com/1996-1073/13/1/3 |
| article html file updated | 31 August 2025 06:50 CEST | Update | N/A |
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| article html file updated | 23 December 2019 12:31 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2019 12:27 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/3/pdf |
| article xml uploaded. | 23 December 2019 12:27 CET | Update | https://www.mdpi.com/1996-1073/13/1/3/xml |
| article xml file uploaded | 23 December 2019 12:27 CET | Update | N/A |
| article pdf uploaded. | 18 December 2019 07:17 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/3/pdf-vor |
| article xml file uploaded | 18 December 2019 07:17 CET | Original file | N/A |
