| article html file updated | 19 August 2026 00:52 CEST | Update | https://www.mdpi.com/2218-1997/7/3/52 |
| article html file updated | 1 September 2025 23:08 CEST | Update | N/A |
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| article html file updated | 19 March 2021 09:58 CET | Update | N/A |
| article html file updated | 19 March 2021 08:42 CET | Original file | N/A |
| article pdf uploaded. | 19 March 2021 08:41 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/3/52/pdf |
| article xml uploaded. | 19 March 2021 08:41 CET | Update | https://www.mdpi.com/2218-1997/7/3/52/xml |
| article xml file uploaded | 19 March 2021 08:41 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2021 17:23 CET | Version of Record | https://www.mdpi.com/2218-1997/7/3/52/pdf-vor |
