| article html file updated | 30 August 2025 09:09 CEST | Update | https://www.mdpi.com/2218-1997/4/12/133 |
| article html file updated | 17 July 2022 10:50 CEST | Update | - |
| article html file updated | 10 February 2020 23:00 CET | Update | - |
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| article html file updated | 3 April 2019 10:01 CEST | Update | - |
| article xml uploaded. | 3 April 2019 09:59 CEST | Update | https://www.mdpi.com/2218-1997/4/12/133/xml |
| article pdf uploaded. | 3 April 2019 09:59 CEST | Updated version of record | https://www.mdpi.com/2218-1997/4/12/133/pdf |
| article html file updated | 2 April 2019 01:34 CEST | Update | - |
| article html file updated | 25 December 2018 04:16 CET | Update | - |
| article html file updated | 23 November 2018 11:28 CET | Original file | - |
| article pdf uploaded. | 23 November 2018 11:26 CET | Version of Record | https://www.mdpi.com/2218-1997/4/12/133/pdf-vor |
| article xml uploaded. | 23 November 2018 11:26 CET | Update | - |
| article xml file uploaded | 23 November 2018 11:26 CET | Original file | - |
