| article html file updated | 30 August 2025 10:14 CEST | Update | https://www.mdpi.com/1996-1073/12/1/22 |
| article html file updated | 17 July 2022 17:55 CEST | Update | - |
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| article html file updated | 27 December 2018 02:44 CET | Update | - |
| article xml uploaded. | 27 December 2018 02:43 CET | Update | https://www.mdpi.com/1996-1073/12/1/22/xml |
| article pdf uploaded. | 27 December 2018 02:43 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/22/pdf |
| article xml file uploaded | 27 December 2018 02:43 CET | Update | - |
| article html file updated | 24 December 2018 10:05 CET | Original file | - |
| article pdf uploaded. | 24 December 2018 10:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/22/pdf-vor |
| article xml uploaded. | 24 December 2018 10:03 CET | Update | - |
| article xml file uploaded | 24 December 2018 10:03 CET | Update | - |
| article pdf uploaded. | 21 December 2018 16:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/22/pdf-vor |
| article xml file uploaded | 21 December 2018 15:54 CET | Original file | - |
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