| article html file updated | 30 August 2025 02:28 CEST | Update | https://www.mdpi.com/1996-1073/11/2/312 |
| article html file updated | 16 July 2022 08:58 CEST | Update | - |
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| article xml uploaded. | 9 February 2018 03:36 CET | Update | https://www.mdpi.com/1996-1073/11/2/312/xml |
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| article pdf uploaded. | 9 February 2018 03:36 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/312/pdf |
| article html file updated | 1 February 2018 16:02 CET | Original file | - |
| article xml uploaded. | 1 February 2018 10:32 CET | Update | - |
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