| article html file updated | 31 August 2025 07:44 CEST | Update | https://www.mdpi.com/2227-9059/8/1/2 |
| article html file updated | 19 July 2022 20:34 CEST | Update | N/A |
| article html file updated | 14 February 2020 22:33 CET | Update | N/A |
| article html file updated | 5 February 2020 12:11 CET | Update | N/A |
| article html file updated | 3 January 2020 06:45 CET | Update | N/A |
| article pdf uploaded. | 3 January 2020 06:44 CET | Updated version of record | https://www.mdpi.com/2227-9059/8/1/2/pdf |
| article xml uploaded. | 3 January 2020 06:44 CET | Update | https://www.mdpi.com/2227-9059/8/1/2/xml |
| article xml file uploaded | 3 January 2020 06:44 CET | Update | N/A |
| article html file updated | 30 December 2019 08:06 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2019 08:04 CET | Version of Record | https://www.mdpi.com/2227-9059/8/1/2/pdf-vor |
| article xml uploaded. | 30 December 2019 08:04 CET | Update | N/A |
| article xml file uploaded | 30 December 2019 08:04 CET | Original file | N/A |
