| article html file updated | 30 August 2025 02:17 CEST | Update | https://www.mdpi.com/2078-1547/9/1/2 |
| article html file updated | 16 July 2022 08:35 CEST | Update | - |
| article html file updated | 9 February 2020 03:21 CET | Update | - |
| article html file updated | 29 September 2019 23:43 CEST | Update | - |
| article html file updated | 2 May 2019 01:41 CEST | Update | - |
| article html file updated | 17 April 2019 23:58 CEST | Update | - |
| article html file updated | 28 March 2019 16:13 CET | Update | - |
| article pdf uploaded. | 14 March 2018 15:12 CET | Updated version of record | https://www.mdpi.com/2078-1547/9/1/2/pdf |
| article html file updated | 17 January 2018 08:34 CET | Original file | - |
| article xml uploaded. | 17 January 2018 08:32 CET | Original file | https://www.mdpi.com/2078-1547/9/1/2/xml |
| article pdf uploaded. | 17 January 2018 08:32 CET | Version of Record | https://www.mdpi.com/2078-1547/9/1/2/pdf-vor |
