| article html file updated | 24 December 2025 17:53 CET | Update | https://www.mdpi.com/2218-1997/6/3/41 |
| article html file updated | 31 August 2025 13:46 CEST | Update | N/A |
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| article html file updated | 7 March 2020 19:21 CET | Original file | N/A |
| article pdf uploaded. | 7 March 2020 10:14 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/3/41/pdf |
| article xml uploaded. | 7 March 2020 10:14 CET | Update | https://www.mdpi.com/2218-1997/6/3/41/xml |
| article xml file uploaded | 7 March 2020 10:14 CET | Update | N/A |
| article xml file uploaded | 7 March 2020 05:26 CET | Original file | N/A |
