| article html file updated | 24 December 2025 17:20 CET | Update | https://www.mdpi.com/2218-1989/10/2/56 |
| article html file updated | 31 August 2025 10:26 CEST | Update | N/A |
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| article html file updated | 29 February 2020 08:24 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 08:22 CET | Updated version of record | https://www.mdpi.com/2218-1989/10/2/56/pdf |
| article xml uploaded. | 29 February 2020 08:22 CET | Update | https://www.mdpi.com/2218-1989/10/2/56/xml |
| article xml file uploaded | 29 February 2020 08:22 CET | Update | N/A |
| article pdf uploaded. | 18 February 2020 13:53 CET | Updated version of record | https://www.mdpi.com/2218-1989/10/2/56/pdf-vor |
| article pdf uploaded. | 1 February 2020 11:33 CET | Updated version of record | https://www.mdpi.com/2218-1989/10/2/56/pdf-vor |
| article supplementary file uploaded. | 1 February 2020 11:30 CET | - | https://www.mdpi.com/2218-1989/10/2/56#supplementary |
| article pdf uploaded. | 1 February 2020 11:30 CET | Version of Record | https://www.mdpi.com/2218-1989/10/2/56/pdf-vor |
| article xml file uploaded | 1 February 2020 11:30 CET | Original file | N/A |