| article html file updated | 31 August 2025 11:34 CEST | Update | https://www.mdpi.com/2227-9067/7/2/13 |
| article html file updated | 20 July 2022 20:05 CEST | Update | N/A |
| article html file updated | 7 March 2020 08:29 CET | Update | N/A |
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| article html file updated | 14 February 2020 10:25 CET | Original file | N/A |
| article pdf uploaded. | 14 February 2020 10:24 CET | Updated version of record | https://www.mdpi.com/2227-9067/7/2/13/pdf |
| article xml uploaded. | 14 February 2020 10:24 CET | Update | https://www.mdpi.com/2227-9067/7/2/13/xml |
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| article pdf uploaded. | 13 February 2020 14:46 CET | Version of Record | https://www.mdpi.com/2227-9067/7/2/13/pdf-vor |
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