| article html file updated | 9 February 2020 05:00 CET | Update | https://www.mdpi.com/1422-0067/19/2/418 |
| article html file updated | 30 September 2019 09:21 CEST | Update | - |
| article html file updated | 1 May 2019 22:08 CEST | Update | - |
| article html file updated | 17 April 2019 20:54 CEST | Update | - |
| article html file updated | 28 March 2019 19:47 CET | Update | - |
| article html file updated | 14 March 2018 18:24 CET | Update | - |
| article html file updated | 31 January 2018 11:01 CET | Original file | - |
| article xml uploaded. | 31 January 2018 10:59 CET | Original file | https://www.mdpi.com/1422-0067/19/2/418/xml |
| article pdf uploaded. | 31 January 2018 10:59 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/418/pdf |
