| article html file updated | 16 August 2026 22:47 CEST | Update | https://www.mdpi.com/2227-7390/8/1/50 |
| article html file updated | 31 August 2025 07:59 CEST | Update | N/A |
| article html file updated | 19 July 2022 20:20 CEST | Update | N/A |
| article html file updated | 14 February 2020 23:22 CET | Update | N/A |
| article html file updated | 5 February 2020 21:40 CET | Update | N/A |
| article html file updated | 20 January 2020 02:42 CET | Update | N/A |
| article pdf uploaded. | 20 January 2020 02:39 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/50/pdf |
| article xml uploaded. | 20 January 2020 02:39 CET | Update | https://www.mdpi.com/2227-7390/8/1/50/xml |
| article xml file uploaded | 20 January 2020 02:39 CET | Update | N/A |
| article html file updated | 10 January 2020 02:35 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2020 03:29 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/50/pdf-vor |
| article xml file uploaded | 8 January 2020 03:29 CET | Update | N/A |
| article pdf uploaded. | 1 January 2020 10:16 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/50/pdf-vor |
| article xml file uploaded | 1 January 2020 10:16 CET | Original file | N/A |