| article html file updated | 24 December 2025 17:04 CET | Update | https://www.mdpi.com/2076-0817/9/1/56 |
| article html file updated | 31 August 2025 08:55 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:26 CEST | Update | N/A |
| article html file updated | 15 February 2020 02:39 CET | Update | N/A |
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| article html file updated | 22 January 2020 05:13 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 05:12 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/1/56/pdf |
| article xml uploaded. | 22 January 2020 05:12 CET | Update | https://www.mdpi.com/2076-0817/9/1/56/xml |
| article xml file uploaded | 22 January 2020 05:12 CET | Update | N/A |
| article pdf uploaded. | 13 January 2020 16:58 CET | Version of Record | https://www.mdpi.com/2076-0817/9/1/56/pdf-vor |
| article xml file uploaded | 13 January 2020 16:58 CET | Original file | N/A |
