| article html file updated | 17 August 2026 06:07 CEST | Update | https://www.mdpi.com/2076-0817/9/3/220 |
| article html file updated | 31 August 2025 14:42 CEST | Update | N/A |
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| article html file updated | 1 April 2020 12:23 CEST | Update | N/A |
| article html file updated | 19 March 2020 02:20 CET | Original file | N/A |
| article pdf uploaded. | 18 March 2020 14:46 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/3/220/pdf |
| article xml uploaded. | 18 March 2020 14:46 CET | Update | https://www.mdpi.com/2076-0817/9/3/220/xml |
| article xml file uploaded | 18 March 2020 14:46 CET | Update | N/A |
| article pdf uploaded. | 17 March 2020 15:38 CET | Version of Record | https://www.mdpi.com/2076-0817/9/3/220/pdf-vor |
| article xml file uploaded | 17 March 2020 15:38 CET | Original file | N/A |
