| article html file updated | 30 August 2025 10:27 CEST | Update | https://www.mdpi.com/2218-1997/5/1/7 |
| article html file updated | 17 July 2022 19:42 CEST | Update | N/A |
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| article html file updated | 8 January 2019 12:59 CET | Update | N/A |
| article xml uploaded. | 8 January 2019 12:58 CET | Update | https://www.mdpi.com/2218-1997/5/1/7/xml |
| article pdf uploaded. | 8 January 2019 12:58 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/1/7/pdf |
| article html file updated | 7 January 2019 05:19 CET | Update | N/A |
| article pdf uploaded. | 7 January 2019 05:17 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/1/7/pdf-vor |
| article xml file uploaded | 7 January 2019 05:17 CET | Update | N/A |
| article html file updated | 30 December 2018 02:18 CET | Original file | N/A |
| article pdf uploaded. | 29 December 2018 12:27 CET | Version of Record | https://www.mdpi.com/2218-1997/5/1/7/pdf-vor |
| article xml uploaded. | 29 December 2018 12:27 CET | Update | N/A |
| article xml file uploaded | 29 December 2018 12:27 CET | Original file | N/A |