| article html file updated | 30 August 2025 10:16 CEST | Update | https://www.mdpi.com/2218-1997/5/1/3 |
| article html file updated | 17 July 2022 18:09 CEST | Update | N/A |
| article html file updated | 11 February 2020 04:51 CET | Update | N/A |
| article html file updated | 12 October 2019 09:15 CEST | Update | N/A |
| article html file updated | 27 April 2019 15:40 CEST | Update | N/A |
| article html file updated | 13 April 2019 11:30 CEST | Update | N/A |
| article html file updated | 2 April 2019 17:38 CEST | Update | N/A |
| article html file updated | 29 January 2019 02:43 CET | Update | N/A |
| article html file updated | 22 December 2018 11:13 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2018 11:12 CET | Version of Record | https://www.mdpi.com/2218-1997/5/1/3/pdf |
| article xml uploaded. | 22 December 2018 11:12 CET | Update | https://www.mdpi.com/2218-1997/5/1/3/xml |
| article xml file uploaded | 22 December 2018 11:12 CET | Original file | N/A |
