| article html file updated | 30 August 2025 11:40 CEST | Update | https://www.mdpi.com/2079-6412/9/2/88 |
| article html file updated | 18 July 2022 03:06 CEST | Update | - |
| article html file updated | 11 February 2020 12:43 CET | Update | - |
| article html file updated | 14 October 2019 05:28 CEST | Update | - |
| article html file updated | 26 April 2019 23:07 CEST | Update | - |
| article html file updated | 12 April 2019 18:58 CEST | Update | - |
| article html file updated | 3 April 2019 12:38 CEST | Update | - |
| article html file updated | 1 March 2019 13:21 CET | Update | - |
| article html file updated | 31 January 2019 07:23 CET | Original file | - |
| article pdf uploaded. | 31 January 2019 07:21 CET | Version of Record | https://www.mdpi.com/2079-6412/9/2/88/pdf |
| article xml uploaded. | 31 January 2019 07:21 CET | Update | https://www.mdpi.com/2079-6412/9/2/88/xml |
| article xml file uploaded | 31 January 2019 07:21 CET | Original file | - |
