| article html file updated | 31 August 2025 08:28 CEST | Update | https://www.mdpi.com/2076-3921/9/1/57 |
| article html file updated | 19 July 2022 19:52 CEST | Update | - |
| article html file updated | 15 February 2020 01:03 CET | Update | - |
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| article html file updated | 8 January 2020 11:55 CET | Update | - |
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| article pdf uploaded. | 8 January 2020 11:52 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/57/pdf |
| article xml uploaded. | 8 January 2020 11:52 CET | Update | https://www.mdpi.com/2076-3921/9/1/57/xml |
| article xml file uploaded | 8 January 2020 11:52 CET | Update | - |
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