| article html file updated | 31 August 2025 04:18 CEST | Update | https://www.mdpi.com/2306-5354/6/4/104 |
| article html file updated | 20 July 2022 00:02 CEST | Update | - |
| article html file updated | 14 February 2020 07:54 CET | Update | - |
| article html file updated | 31 December 2019 11:40 CET | Update | - |
| article html file updated | 8 November 2019 10:54 CET | Original file | - |
| article pdf uploaded. | 8 November 2019 10:52 CET | Version of Record | https://www.mdpi.com/2306-5354/6/4/104/pdf |
| article xml uploaded. | 8 November 2019 10:52 CET | Update | https://www.mdpi.com/2306-5354/6/4/104/xml |
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