| article html file updated | 24 December 2025 16:16 CET | Update | https://www.mdpi.com/2227-9040/7/4/51 |
| article html file updated | 31 August 2025 03:43 CEST | Update | N/A |
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| article html file updated | 30 December 2019 23:50 CET | Update | N/A |
| article html file updated | 11 November 2019 11:25 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2019 11:24 CET | Updated version of record | https://www.mdpi.com/2227-9040/7/4/51/pdf |
| article xml uploaded. | 11 November 2019 11:24 CET | Update | https://www.mdpi.com/2227-9040/7/4/51/xml |
| article xml file uploaded | 11 November 2019 11:24 CET | Update | N/A |
| article supplementary file uploaded. | 29 October 2019 16:40 CET | - | https://www.mdpi.com/2227-9040/7/4/51#supplementary |
| article pdf uploaded. | 29 October 2019 16:40 CET | Version of Record | https://www.mdpi.com/2227-9040/7/4/51/pdf-vor |
| article xml file uploaded | 29 October 2019 16:40 CET | Original file | N/A |
