| article html file updated | 30 August 2025 09:28 CEST | Update | https://www.mdpi.com/2218-1997/4/12/140 |
| article html file updated | 17 July 2022 12:38 CEST | Update | N/A |
| article html file updated | 11 February 2020 00:42 CET | Update | N/A |
| article html file updated | 11 October 2019 07:52 CEST | Update | N/A |
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| article html file updated | 25 December 2018 04:18 CET | Update | N/A |
| article html file updated | 11 December 2018 14:11 CET | Original file | N/A |
| article pdf uploaded. | 11 December 2018 14:10 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/140/pdf |
| article xml uploaded. | 11 December 2018 14:10 CET | Update | https://www.mdpi.com/2218-1997/4/12/140/xml |
| article xml file uploaded | 11 December 2018 14:10 CET | Update | N/A |
| article pdf uploaded. | 2 December 2018 12:16 CET | Version of Record | https://www.mdpi.com/2218-1997/4/12/140/pdf-vor |
| article xml file uploaded | 2 December 2018 12:16 CET | Original file | N/A |
