| article html file updated | 31 August 2025 11:55 CEST | Update | https://www.mdpi.com/2227-9717/8/2/231 |
| article html file updated | 21 August 2025 23:40 CEST | Update | N/A |
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| article html file updated | 6 March 2020 21:36 CET | Update | N/A |
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| article pdf uploaded. | 19 February 2020 14:50 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/231/pdf |
| article xml uploaded. | 19 February 2020 14:50 CET | Update | https://www.mdpi.com/2227-9717/8/2/231/xml |
| article xml file uploaded | 19 February 2020 14:50 CET | Update | N/A |
| article html file updated | 17 February 2020 14:37 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2020 14:36 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/231/pdf-vor |
| article xml uploaded. | 17 February 2020 14:36 CET | Update | N/A |
| article xml file uploaded | 17 February 2020 14:36 CET | Original file | N/A |
