| article html file updated | 30 August 2025 10:21 CEST | Update | https://www.mdpi.com/2220-9964/8/1/5 |
| article html file updated | 17 July 2022 18:47 CEST | Update | N/A |
| article html file updated | 11 February 2020 05:18 CET | Update | N/A |
| article html file updated | 12 October 2019 12:01 CEST | Update | N/A |
| article html file updated | 27 April 2019 14:36 CEST | Update | N/A |
| article html file updated | 13 April 2019 10:32 CEST | Update | N/A |
| article html file updated | 2 April 2019 18:44 CEST | Update | N/A |
| article html file updated | 29 January 2019 03:16 CET | Update | N/A |
| article html file updated | 25 December 2018 14:13 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2018 14:11 CET | Version of Record | https://www.mdpi.com/2220-9964/8/1/5/pdf |
| article xml uploaded. | 25 December 2018 14:11 CET | Update | https://www.mdpi.com/2220-9964/8/1/5/xml |
| article xml file uploaded | 25 December 2018 14:11 CET | Original file | N/A |