| article html file updated | 17 August 2026 02:33 CEST | Update | https://www.mdpi.com/1996-1073/13/4/781 |
| article html file updated | 31 August 2025 11:20 CEST | Update | N/A |
| article html file updated | 20 July 2022 19:52 CEST | Update | N/A |
| article html file updated | 7 March 2020 09:55 CET | Update | N/A |
| article html file updated | 7 March 2020 06:41 CET | Update | N/A |
| article html file updated | 15 February 2020 09:15 CET | Update | N/A |
| article html file updated | 13 February 2020 04:06 CET | Update | N/A |
| article pdf uploaded. | 13 February 2020 04:05 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/781/pdf |
| article xml uploaded. | 13 February 2020 04:05 CET | Update | https://www.mdpi.com/1996-1073/13/4/781/xml |
| article xml file uploaded | 13 February 2020 04:05 CET | Update | N/A |
| article html file updated | 12 February 2020 12:02 CET | Original file | N/A |
| article pdf uploaded. | 12 February 2020 12:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/781/pdf-vor |
| article xml uploaded. | 12 February 2020 12:01 CET | Update | N/A |
| article xml file uploaded | 12 February 2020 12:01 CET | Update | N/A |
| article pdf uploaded. | 11 February 2020 12:11 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/781/pdf-vor |
| article xml file uploaded | 11 February 2020 12:11 CET | Original file | N/A |
