| article html file updated | 31 August 2025 05:12 CEST | Update | https://www.mdpi.com/2079-3197/7/4/68 |
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| article html file updated | 31 December 2019 03:07 CET | Update | - |
| article html file updated | 17 December 2019 11:20 CET | Original file | - |
| article pdf uploaded. | 17 December 2019 11:18 CET | Updated version of record | https://www.mdpi.com/2079-3197/7/4/68/pdf |
| article xml uploaded. | 17 December 2019 11:18 CET | Update | https://www.mdpi.com/2079-3197/7/4/68/xml |
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| article supplementary file uploaded. | 26 November 2019 16:05 CET | - | https://www.mdpi.com/2079-3197/7/4/68#supplementary |
| article pdf uploaded. | 26 November 2019 16:05 CET | Version of Record | https://www.mdpi.com/2079-3197/7/4/68/pdf-vor |
| article xml file uploaded | 26 November 2019 16:05 CET | Original file | - |
