| article html file updated | 31 August 2025 06:56 CEST | Update | https://www.mdpi.com/2227-9040/8/1/2 |
| article html file updated | 19 July 2022 21:20 CEST | Update | N/A |
| article html file updated | 2 April 2020 09:18 CEST | Update | N/A |
| article html file updated | 21 February 2020 05:51 CET | Update | N/A |
| article pdf uploaded. | 21 February 2020 05:49 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/1/2/pdf |
| article xml uploaded. | 21 February 2020 05:49 CET | Update | https://www.mdpi.com/2227-9040/8/1/2/xml |
| article xml file uploaded | 21 February 2020 05:49 CET | Update | N/A |
| article html file updated | 14 February 2020 19:56 CET | Update | N/A |
| article html file updated | 26 December 2019 05:20 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2019 05:18 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/1/2/pdf-vor |
| article xml uploaded. | 26 December 2019 05:18 CET | Update | N/A |
| article xml file uploaded | 26 December 2019 05:18 CET | Update | N/A |
| article supplementary file uploaded. | 19 December 2019 09:46 CET | - | https://www.mdpi.com/2227-9040/8/1/2#supplementary |
| article pdf uploaded. | 19 December 2019 09:46 CET | Version of Record | https://www.mdpi.com/2227-9040/8/1/2/pdf-vor |
| article xml file uploaded | 19 December 2019 09:46 CET | Original file | N/A |
