| article html file updated | 18 August 2026 12:15 CEST | Update | https://www.mdpi.com/2227-9032/8/4/540 |
| article html file updated | 1 September 2025 15:16 CEST | Update | N/A |
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| article html file updated | 16 December 2020 03:06 CET | Update | N/A |
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| article pdf uploaded. | 9 December 2020 12:23 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/540/pdf |
| article xml uploaded. | 9 December 2020 12:23 CET | Update | https://www.mdpi.com/2227-9032/8/4/540/xml |
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| article supplementary file uploaded. | 4 December 2020 16:51 CET | - | https://www.mdpi.com/2227-9032/8/4/540#supplementary |
| article pdf uploaded. | 4 December 2020 16:51 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/540/pdf-vor |
