| article html file updated | 31 August 2025 10:36 CEST | Update | https://www.mdpi.com/2218-1997/6/2/28 |
| article html file updated | 20 July 2022 19:07 CEST | Update | N/A |
| article html file updated | 6 March 2020 13:44 CET | Update | N/A |
| article html file updated | 17 February 2020 10:21 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2020 10:19 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/2/28/pdf |
| article xml uploaded. | 17 February 2020 10:19 CET | Update | https://www.mdpi.com/2218-1997/6/2/28/xml |
| article xml file uploaded | 17 February 2020 10:19 CET | Update | N/A |
| article supplementary file uploaded. | 3 February 2020 15:09 CET | - | https://www.mdpi.com/2218-1997/6/2/28#supplementary |
| article pdf uploaded. | 3 February 2020 15:09 CET | Version of Record | https://www.mdpi.com/2218-1997/6/2/28/pdf-vor |
| article xml file uploaded | 3 February 2020 15:09 CET | Original file | N/A |
