| article html file updated | 24 December 2025 21:04 CET | Update | https://www.mdpi.com/2227-9059/8/9/320 |
| article html file updated | 1 September 2025 07:08 CEST | Update | N/A |
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| article pdf uploaded. | 4 September 2020 08:31 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/9/320/pdf |
| article xml uploaded. | 4 September 2020 08:31 CEST | Update | https://www.mdpi.com/2227-9059/8/9/320/xml |
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| article pdf uploaded. | 31 August 2020 14:25 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/9/320/pdf-vor |
| article pdf uploaded. | 31 August 2020 14:25 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/9/320/pdf-vor |