| article html file updated | 9 February 2020 00:47 CET | Update | https://www.mdpi.com/1422-0067/19/1/12 |
| article html file updated | 29 September 2019 09:19 CEST | Update | - |
| article html file updated | 2 May 2019 07:03 CEST | Update | - |
| article html file updated | 18 April 2019 04:56 CEST | Update | - |
| article html file updated | 28 March 2019 10:07 CET | Update | - |
| article html file updated | 2 February 2018 09:23 CET | Update | - |
| article html file updated | 21 December 2017 13:30 CET | Original file | - |
| article xml uploaded. | 21 December 2017 13:28 CET | Update | https://www.mdpi.com/1422-0067/19/1/12/xml |
| article xml uploaded. | 21 December 2017 13:28 CET | Original file | - |
| article pdf uploaded. | 21 December 2017 13:28 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/12/pdf |
