| article html file updated | 30 August 2025 20:44 CEST | Update | https://www.mdpi.com/2218-1997/5/6/136 |
| article html file updated | 19 July 2022 19:38 CEST | Update | N/A |
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| article html file updated | 4 June 2019 13:08 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2019 13:07 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/6/136/pdf |
| article xml uploaded. | 4 June 2019 13:07 CEST | Update | https://www.mdpi.com/2218-1997/5/6/136/xml |
| article xml file uploaded | 4 June 2019 13:07 CEST | Original file | N/A |
