| article html file updated | 9 February 2020 06:24 CET | Update | https://www.mdpi.com/1422-0067/19/2/554 |
| article html file updated | 30 September 2019 17:57 CEST | Update | - |
| article html file updated | 1 May 2019 18:57 CEST | Update | - |
| article html file updated | 17 April 2019 18:12 CEST | Update | - |
| article html file updated | 28 March 2019 22:49 CET | Update | - |
| article html file updated | 14 March 2018 19:17 CET | Update | - |
| article html file updated | 12 February 2018 09:20 CET | Original file | - |
| article xml uploaded. | 12 February 2018 09:19 CET | Update | https://www.mdpi.com/1422-0067/19/2/554/xml |
| article xml uploaded. | 12 February 2018 09:19 CET | Original file | - |
| article pdf uploaded. | 12 February 2018 09:19 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/554/pdf |
