| article html file updated | 15 August 2026 21:14 CEST | Update | https://www.mdpi.com/2218-273X/9/4/141 |
| article html file updated | 30 August 2025 13:47 CEST | Update | N/A |
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| article html file updated | 23 April 2019 13:34 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2019 13:32 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/4/141/pdf |
| article xml uploaded. | 23 April 2019 13:32 CEST | Update | https://www.mdpi.com/2218-273X/9/4/141/xml |
| article xml file uploaded | 23 April 2019 13:32 CEST | Update | N/A |
| article pdf uploaded. | 8 April 2019 16:14 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/4/141/pdf-vor |
| article xml file uploaded | 8 April 2019 16:14 CEST | Original file | N/A |
