| article html file updated | 30 August 2025 02:45 CEST | Update | https://www.mdpi.com/2414-4088/2/1/8 |
| article html file updated | 16 July 2022 09:29 CEST | Update | N/A |
| article html file updated | 9 February 2020 07:43 CET | Update | N/A |
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| article html file updated | 28 February 2018 09:34 CET | Original file | N/A |
| article xml uploaded. | 28 February 2018 09:32 CET | Original file | https://www.mdpi.com/2414-4088/2/1/8/xml |
| article pdf uploaded. | 28 February 2018 09:32 CET | Updated version of record | https://www.mdpi.com/2414-4088/2/1/8/pdf |
| article pdf uploaded. | 26 February 2018 15:33 CET | Version of Record | https://www.mdpi.com/2414-4088/2/1/8/pdf-vor |
