| article html file updated | 30 August 2025 02:20 CEST | Update | https://www.mdpi.com/1422-0067/19/2/15 |
| article html file updated | 16 July 2022 08:43 CEST | Update | - |
| article html file updated | 9 February 2020 03:57 CET | Update | - |
| article html file updated | 30 September 2019 03:15 CEST | Update | - |
| article html file updated | 2 May 2019 00:22 CEST | Update | - |
| article html file updated | 17 April 2019 22:49 CEST | Update | - |
| article html file updated | 28 March 2019 17:32 CET | Update | - |
| article html file updated | 14 March 2018 19:53 CET | Update | - |
| article html file updated | 23 January 2018 08:13 CET | Update | - |
| article xml uploaded. | 23 January 2018 08:12 CET | Update | https://www.mdpi.com/1422-0067/19/2/15/xml |
| article html file updated | 23 January 2018 06:47 CET | Original file | - |
| article xml uploaded. | 23 January 2018 06:46 CET | Update | - |
| article xml uploaded. | 23 January 2018 06:46 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 06:46 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/15/pdf |
