| article html file updated | 30 August 2025 12:02 CEST | Update | https://www.mdpi.com/1996-1073/12/4/621 |
| article html file updated | 19 July 2022 05:47 CEST | Update | N/A |
| article html file updated | 11 February 2020 16:16 CET | Update | N/A |
| article html file updated | 15 October 2019 01:17 CEST | Update | N/A |
| article html file updated | 26 April 2019 16:18 CEST | Update | N/A |
| article html file updated | 12 April 2019 12:05 CEST | Update | N/A |
| article html file updated | 3 April 2019 21:06 CEST | Update | N/A |
| article html file updated | 1 March 2019 13:30 CET | Update | N/A |
| article html file updated | 1 March 2019 01:31 CET | Update | N/A |
| article html file updated | 19 February 2019 13:03 CET | Update | N/A |
| article pdf uploaded. | 19 February 2019 13:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/4/621/pdf |
| article xml uploaded. | 19 February 2019 13:01 CET | Update | https://www.mdpi.com/1996-1073/12/4/621/xml |
| article xml file uploaded | 19 February 2019 13:01 CET | Update | N/A |
| article html file updated | 15 February 2019 11:24 CET | Original file | N/A |
| article pdf uploaded. | 15 February 2019 11:22 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/621/pdf-vor |
| article xml uploaded. | 15 February 2019 11:22 CET | Update | N/A |
| article xml file uploaded | 15 February 2019 11:22 CET | Original file | N/A |
