| article html file updated | 31 August 2025 07:07 CEST | Update | https://www.mdpi.com/1996-1944/13/1/56 |
| article html file updated | 19 July 2022 21:09 CEST | Update | N/A |
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| article html file updated | 24 December 2019 10:26 CET | Update | N/A |
| article pdf uploaded. | 24 December 2019 10:24 CET | Updated version of record | https://www.mdpi.com/1996-1944/13/1/56/pdf |
| article xml uploaded. | 24 December 2019 10:24 CET | Update | https://www.mdpi.com/1996-1944/13/1/56/xml |
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| article html file updated | 20 December 2019 15:07 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2019 15:06 CET | Version of Record | https://www.mdpi.com/1996-1944/13/1/56/pdf-vor |
| article xml uploaded. | 20 December 2019 15:06 CET | Update | N/A |
| article xml file uploaded | 20 December 2019 15:05 CET | Original file | N/A |