| article html file updated | 24 December 2025 17:31 CET | Update | https://www.mdpi.com/2075-4655/4/1/2 |
| article html file updated | 31 August 2025 11:35 CEST | Update | N/A |
| article html file updated | 20 July 2022 20:06 CEST | Update | N/A |
| article html file updated | 22 March 2020 11:53 CET | Original file | N/A |
| article pdf uploaded. | 22 March 2020 11:51 CET | Updated version of record | https://www.mdpi.com/2075-4655/4/1/2/pdf |
| article xml uploaded. | 22 March 2020 11:51 CET | Update | https://www.mdpi.com/2075-4655/4/1/2/xml |
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| article pdf uploaded. | 13 February 2020 15:15 CET | Version of Record | https://www.mdpi.com/2075-4655/4/1/2/pdf-vor |
| article xml file uploaded | 13 February 2020 15:15 CET | Original file | N/A |
