| article html file updated | 9 February 2020 03:13 CET | Update | https://www.mdpi.com/1422-0067/19/1/256 |
| article html file updated | 29 September 2019 22:59 CEST | Update | - |
| article html file updated | 2 May 2019 01:56 CEST | Update | - |
| article html file updated | 18 April 2019 00:13 CEST | Update | - |
| article html file updated | 28 March 2019 15:55 CET | Update | - |
| article html file updated | 2 February 2018 10:11 CET | Update | - |
| article html file updated | 16 January 2018 09:56 CET | Original file | - |
| article xml uploaded. | 16 January 2018 09:55 CET | Original file | https://www.mdpi.com/1422-0067/19/1/256/xml |
| article pdf uploaded. | 16 January 2018 09:55 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/256/pdf |
