| article html file updated | 30 August 2025 12:03 CEST | Update | https://www.mdpi.com/2220-9964/8/2/88 |
| article html file updated | 19 July 2022 05:55 CEST | Update | - |
| article html file updated | 11 February 2020 16:19 CET | Update | - |
| article html file updated | 15 October 2019 01:31 CEST | Update | - |
| article html file updated | 26 April 2019 16:13 CEST | Update | - |
| article html file updated | 12 April 2019 12:00 CEST | Update | - |
| article html file updated | 3 April 2019 21:13 CEST | Update | - |
| article html file updated | 1 March 2019 11:29 CET | Update | - |
| article html file updated | 1 March 2019 01:44 CET | Update | - |
| article html file updated | 15 February 2019 12:14 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 12:13 CET | Version of Record | https://www.mdpi.com/2220-9964/8/2/88/pdf |
| article xml uploaded. | 15 February 2019 12:13 CET | Update | https://www.mdpi.com/2220-9964/8/2/88/xml |
| article xml file uploaded | 15 February 2019 12:13 CET | Original file | - |