| article html file updated | 30 August 2025 08:34 CEST | Update | https://www.mdpi.com/2218-1997/4/11/117 |
| article html file updated | 17 July 2022 07:58 CEST | Update | N/A |
| article html file updated | 10 February 2020 20:02 CET | Update | N/A |
| article html file updated | 28 April 2019 11:20 CEST | Update | N/A |
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| article html file updated | 13 February 2019 09:15 CET | Update | N/A |
| article xml uploaded. | 13 February 2019 09:14 CET | Update | https://www.mdpi.com/2218-1997/4/11/117/xml |
| article xml uploaded. | 13 February 2019 09:14 CET | Update | N/A |
| article pdf uploaded. | 13 February 2019 09:14 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/117/pdf |
| article html file updated | 26 November 2018 06:29 CET | Update | N/A |
| article html file updated | 7 November 2018 05:57 CET | Original file | N/A |
| article pdf uploaded. | 7 November 2018 05:55 CET | Version of Record | https://www.mdpi.com/2218-1997/4/11/117/pdf-vor |
| article xml uploaded. | 7 November 2018 05:55 CET | Update | N/A |
| article xml file uploaded | 7 November 2018 05:55 CET | Original file | N/A |