| article html file updated | 30 August 2025 01:51 CEST | Update | https://www.mdpi.com/1996-1073/10/12/1980 |
| article html file updated | 16 July 2022 07:42 CEST | Update | - |
| article html file updated | 8 February 2020 22:42 CET | Update | - |
| article html file updated | 28 September 2019 21:06 CEST | Update | - |
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| article html file updated | 2 January 2018 18:47 CET | Update | - |
| article html file updated | 30 November 2017 17:26 CET | Original file | - |
| article xml uploaded. | 30 November 2017 16:30 CET | Update | https://www.mdpi.com/1996-1073/10/12/1980/xml |
| article xml uploaded. | 30 November 2017 16:30 CET | Original file | - |
| article pdf uploaded. | 30 November 2017 16:30 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1980/pdf |
