| article html file updated | 7 February 2020 21:51 CET | Update | https://www.mdpi.com/1422-0067/18/1/212 |
| article html file updated | 22 September 2019 23:30 CEST | Update | - |
| article html file updated | 4 May 2019 14:21 CEST | Update | - |
| article html file updated | 8 February 2017 11:12 CET | Update | - |
| article html file updated | 20 January 2017 12:35 CET | Original file | - |
| article xml uploaded. | 20 January 2017 12:34 CET | Update | https://www.mdpi.com/1422-0067/18/1/212/xml |
| article xml uploaded. | 20 January 2017 12:34 CET | Original file | - |
| article pdf uploaded. | 20 January 2017 12:34 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/212/pdf |
