| article html file updated | 31 August 2025 01:07 CEST | Update | https://www.mdpi.com/2226-471X/4/3/69 |
| article html file updated | 21 August 2025 22:25 CEST | Update | - |
| article html file updated | 13 February 2020 16:03 CET | Update | - |
| article html file updated | 21 September 2019 07:46 CEST | Update | - |
| article pdf uploaded. | 21 September 2019 07:44 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/3/69/pdf |
| article xml uploaded. | 21 September 2019 07:44 CEST | Update | https://www.mdpi.com/2226-471X/4/3/69/xml |
| article xml file uploaded | 21 September 2019 07:44 CEST | Update | - |
| article html file updated | 15 September 2019 05:35 CEST | Update | - |
| article html file updated | 15 September 2019 05:34 CEST | Update | - |
| article html file updated | 15 September 2019 05:33 CEST | Original file | - |
| article pdf uploaded. | 15 September 2019 05:32 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/3/69/pdf-vor |
| article xml uploaded. | 15 September 2019 05:32 CEST | Update | - |
| article xml file uploaded | 15 September 2019 05:31 CEST | Update | - |
| article pdf uploaded. | 7 September 2019 13:59 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/3/69/pdf-vor |
| article xml file uploaded | 7 September 2019 13:59 CEST | Original file | - |
