| article html file updated | 24 December 2025 23:36 CET | Update | https://www.mdpi.com/2227-9032/8/4/506 |
| article html file updated | 1 September 2025 14:05 CEST | Update | N/A |
| article html file updated | 23 July 2022 02:02 CEST | Update | N/A |
| article html file updated | 24 November 2020 02:55 CET | Update | N/A |
| article pdf uploaded. | 24 November 2020 02:54 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/506/pdf |
| article xml uploaded. | 24 November 2020 02:54 CET | Update | https://www.mdpi.com/2227-9032/8/4/506/xml |
| article xml file uploaded | 24 November 2020 02:54 CET | Update | N/A |
| article html file updated | 21 November 2020 12:48 CET | Original file | N/A |
| article supplementary file uploaded. | 21 November 2020 12:47 CET | - | https://www.mdpi.com/2227-9032/8/4/506#supplementary |
| article pdf uploaded. | 21 November 2020 12:47 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/506/pdf-vor |
| article xml uploaded. | 21 November 2020 12:47 CET | Update | N/A |
| article xml file uploaded | 21 November 2020 12:47 CET | Original file | N/A |
