| article html file updated | 31 August 2025 01:11 CEST | Update | https://www.mdpi.com/2077-0383/8/9/1421 |
| article html file updated | 21 August 2025 22:26 CEST | Update | - |
| article html file updated | 20 July 2022 03:43 CEST | Update | - |
| article html file updated | 13 February 2020 16:23 CET | Update | - |
| article html file updated | 26 September 2019 20:17 CEST | Update | - |
| article html file updated | 18 September 2019 08:05 CEST | Update | - |
| article html file updated | 18 September 2019 08:04 CEST | Update | - |
| article html file updated | 18 September 2019 08:03 CEST | Update | - |
| article pdf uploaded. | 18 September 2019 08:01 CEST | Updated version of record | https://www.mdpi.com/2077-0383/8/9/1421/pdf |
| article xml uploaded. | 18 September 2019 08:01 CEST | Update | https://www.mdpi.com/2077-0383/8/9/1421/xml |
| article xml file uploaded | 18 September 2019 08:01 CEST | Update | - |
| article html file updated | 13 September 2019 04:49 CEST | Update | - |
| article html file updated | 13 September 2019 04:48 CEST | Update | - |
| article html file updated | 13 September 2019 04:48 CEST | Original file | - |
| article pdf uploaded. | 13 September 2019 04:47 CEST | Updated version of record | https://www.mdpi.com/2077-0383/8/9/1421/pdf-vor |
| article xml uploaded. | 13 September 2019 04:47 CEST | Update | - |
| article xml file uploaded | 13 September 2019 04:47 CEST | Update | - |
| article xml file uploaded | 9 September 2019 15:53 CEST | Original file | - |
| article pdf uploaded. | 9 September 2019 15:53 CEST | Version of Record | https://www.mdpi.com/2077-0383/8/9/1421/pdf-vor |
