| article html file updated | 9 February 2020 02:49 CET | Update | https://www.mdpi.com/1422-0067/19/1/228 |
| article html file updated | 2 May 2019 02:43 CEST | Update | - |
| article html file updated | 18 April 2019 00:56 CEST | Update | - |
| article html file updated | 28 March 2019 15:01 CET | Update | - |
| article html file updated | 2 February 2018 10:04 CET | Update | - |
| article html file updated | 12 January 2018 09:10 CET | Original file | - |
| article xml uploaded. | 12 January 2018 09:08 CET | Original file | https://www.mdpi.com/1422-0067/19/1/228/xml |
| article pdf uploaded. | 12 January 2018 09:08 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/228/pdf |
