| article html file updated | 9 February 2020 03:51 CET | Update | https://www.mdpi.com/1422-0067/19/1/320 |
| article html file updated | 30 September 2019 02:46 CEST | Update | - |
| article html file updated | 2 May 2019 00:35 CEST | Update | - |
| article html file updated | 17 April 2019 23:00 CEST | Update | - |
| article html file updated | 28 March 2019 17:20 CET | Update | - |
| article html file updated | 2 February 2018 09:20 CET | Update | - |
| article html file updated | 22 January 2018 12:12 CET | Original file | - |
| article xml uploaded. | 22 January 2018 12:11 CET | Original file | https://www.mdpi.com/1422-0067/19/1/320/xml |
| article pdf uploaded. | 22 January 2018 12:11 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/320/pdf |
