| article html file updated | 31 August 2025 12:05 CEST | Update | https://www.mdpi.com/2304-8158/9/2/216 |
| article html file updated | 20 July 2022 20:35 CEST | Update | - |
| article html file updated | 7 March 2020 12:38 CET | Update | - |
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| article html file updated | 22 February 2020 05:16 CET | Original file | - |
| article pdf uploaded. | 22 February 2020 05:15 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/216/pdf |
| article xml uploaded. | 22 February 2020 05:15 CET | Update | https://www.mdpi.com/2304-8158/9/2/216/xml |
| article xml file uploaded | 22 February 2020 05:15 CET | Update | - |
| article pdf uploaded. | 19 February 2020 11:51 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/216/pdf-vor |
| article xml file uploaded | 19 February 2020 11:51 CET | Original file | - |
