| article html file updated | 7 February 2020 22:03 CET | Update | https://www.mdpi.com/1422-0067/18/1/232 |
| article html file updated | 23 September 2019 00:35 CEST | Update | - |
| article html file updated | 4 May 2019 13:56 CEST | Update | - |
| article html file updated | 8 February 2017 11:17 CET | Update | - |
| article html file updated | 23 January 2017 09:12 CET | Original file | - |
| article xml uploaded. | 23 January 2017 09:11 CET | Original file | https://www.mdpi.com/1422-0067/18/1/232/xml |
| article pdf uploaded. | 23 January 2017 09:11 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/232/pdf |
