| article html file updated | 1 September 2025 16:18 CEST | Update | https://www.mdpi.com/2227-9067/7/12/306 |
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| article pdf uploaded. | 21 December 2020 15:08 CET | Updated version of record | https://www.mdpi.com/2227-9067/7/12/306/pdf |
| article xml uploaded. | 21 December 2020 15:08 CET | Update | https://www.mdpi.com/2227-9067/7/12/306/xml |
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| article html file updated | 17 December 2020 14:47 CET | Original file | N/A |
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| article xml uploaded. | 17 December 2020 14:46 CET | Update | N/A |
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