| article html file updated | 15 August 2026 00:10 CEST | Update | https://www.mdpi.com/1996-1944/11/4/557 |
| article html file updated | 30 August 2025 03:20 CEST | Update | N/A |
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| article xml uploaded. | 17 April 2018 02:35 CEST | Update | https://www.mdpi.com/1996-1944/11/4/557/xml |
| article pdf uploaded. | 17 April 2018 02:35 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/4/557/pdf |
| article html file updated | 4 April 2018 13:24 CEST | Original file | N/A |
| article pdf uploaded. | 4 April 2018 13:23 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/557/pdf-vor |
| article xml file uploaded | 4 April 2018 13:22 CEST | Original file | N/A |
