| article html file updated | 30 August 2025 02:30 CEST | Update | https://www.mdpi.com/2220-9964/7/2/49 |
| article html file updated | 16 July 2022 09:02 CEST | Update | - |
| article html file updated | 9 February 2020 05:29 CET | Update | - |
| article html file updated | 30 September 2019 12:27 CEST | Update | - |
| article html file updated | 1 May 2019 21:04 CEST | Update | - |
| article html file updated | 17 April 2019 20:00 CEST | Update | - |
| article html file updated | 28 March 2019 20:50 CET | Update | - |
| article html file updated | 14 March 2018 14:49 CET | Update | - |
| article html file updated | 4 February 2018 07:25 CET | Original file | - |
| article xml uploaded. | 4 February 2018 07:23 CET | Update | https://www.mdpi.com/2220-9964/7/2/49/xml |
| article xml uploaded. | 4 February 2018 07:23 CET | Original file | - |
| article pdf uploaded. | 4 February 2018 07:20 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/49/pdf |
