| article html file updated | 1 September 2025 15:04 CEST | Update | https://www.mdpi.com/2227-9032/8/4/531 |
| article html file updated | 23 July 2022 03:34 CEST | Update | - |
| article html file updated | 3 December 2020 09:47 CET | Update | - |
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| article pdf uploaded. | 3 December 2020 04:17 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/531/pdf |
| article xml uploaded. | 3 December 2020 04:17 CET | Update | https://www.mdpi.com/2227-9032/8/4/531/xml |
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| article supplementary file uploaded. | 2 December 2020 15:11 CET | - | https://www.mdpi.com/2227-9032/8/4/531#supplementary |
| article pdf uploaded. | 2 December 2020 15:11 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/531/pdf-vor |
