| article html file updated | 9 February 2020 01:50 CET | Update | https://www.mdpi.com/1422-0067/19/1/131 |
| article html file updated | 29 September 2019 15:23 CEST | Update | - |
| article html file updated | 2 May 2019 04:46 CEST | Update | - |
| article html file updated | 18 April 2019 02:49 CEST | Update | - |
| article html file updated | 28 March 2019 12:43 CET | Update | - |
| article html file updated | 2 February 2018 09:41 CET | Update | - |
| article html file updated | 3 January 2018 07:13 CET | Original file | - |
| article xml uploaded. | 3 January 2018 07:12 CET | Update | https://www.mdpi.com/1422-0067/19/1/131/xml |
| article pdf uploaded. | 3 January 2018 07:12 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/131/pdf |
