| article html file updated | 31 August 2025 03:13 CEST | Update | https://www.mdpi.com/2224-2708/8/4/52 |
| article html file updated | 20 July 2022 01:16 CEST | Update | N/A |
| article html file updated | 14 February 2020 02:29 CET | Update | N/A |
| article html file updated | 31 December 2019 19:13 CET | Update | N/A |
| article html file updated | 25 October 2019 13:04 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 13:02 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/4/52/pdf |
| article xml uploaded. | 25 October 2019 13:02 CEST | Update | https://www.mdpi.com/2224-2708/8/4/52/xml |
| article xml file uploaded | 25 October 2019 13:02 CEST | Update | N/A |
| article supplementary file uploaded. | 20 October 2019 11:50 CEST | - | https://www.mdpi.com/2224-2708/8/4/52#supplementary |
| article pdf uploaded. | 20 October 2019 11:50 CEST | Version of Record | https://www.mdpi.com/2224-2708/8/4/52/pdf-vor |
| article xml file uploaded | 20 October 2019 11:50 CEST | Original file | N/A |
