| article html file updated | 30 August 2025 08:27 CEST | Update | https://www.mdpi.com/2218-2004/6/4/59 |
| article html file updated | 17 July 2022 07:30 CEST | Update | N/A |
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| article html file updated | 26 December 2018 22:48 CET | Update | N/A |
| article html file updated | 7 November 2018 12:48 CET | Original file | N/A |
| article pdf uploaded. | 7 November 2018 12:46 CET | Updated version of record | https://www.mdpi.com/2218-2004/6/4/59/pdf |
| article xml uploaded. | 7 November 2018 12:46 CET | Update | https://www.mdpi.com/2218-2004/6/4/59/xml |
| article xml file uploaded | 7 November 2018 12:46 CET | Update | N/A |
| article pdf uploaded. | 2 November 2018 16:16 CET | Updated version of record | https://www.mdpi.com/2218-2004/6/4/59/pdf-vor |
| article pdf uploaded. | 2 November 2018 16:14 CET | Version of Record | https://www.mdpi.com/2218-2004/6/4/59/pdf-vor |
| article xml file uploaded | 2 November 2018 16:14 CET | Original file | N/A |
