| article html file updated | 30 August 2025 01:59 CEST | Update | https://www.mdpi.com/1996-1073/10/12/2151 |
| article html file updated | 16 July 2022 07:58 CEST | Update | N/A |
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| article xml uploaded. | 21 December 2017 10:32 CET | Original file | https://www.mdpi.com/1996-1073/10/12/2151/xml |
| article pdf uploaded. | 21 December 2017 10:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/2151/pdf |
| article pdf uploaded. | 15 December 2017 12:17 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2151/pdf-vor |
