| article html file updated | 7 February 2020 20:54 CET | Update | https://www.mdpi.com/1422-0067/18/1/106 |
| article html file updated | 22 September 2019 18:32 CEST | Update | - |
| article html file updated | 4 May 2019 16:32 CEST | Update | - |
| article html file updated | 8 February 2017 10:56 CET | Update | - |
| article html file updated | 6 January 2017 13:47 CET | Original file | - |
| article xml uploaded. | 6 January 2017 13:46 CET | Original file | https://www.mdpi.com/1422-0067/18/1/106/xml |
| article pdf uploaded. | 6 January 2017 13:46 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/106/pdf |
