| article html file updated | 9 February 2020 04:15 CET | Update | https://www.mdpi.com/1422-0067/19/2/351 |
| article html file updated | 30 September 2019 04:57 CEST | Update | - |
| article html file updated | 1 May 2019 23:45 CEST | Update | - |
| article html file updated | 17 April 2019 22:18 CEST | Update | - |
| article html file updated | 28 March 2019 18:10 CET | Update | - |
| article html file updated | 14 March 2018 18:09 CET | Update | - |
| article html file updated | 25 January 2018 12:11 CET | Original file | - |
| article xml uploaded. | 25 January 2018 12:09 CET | Original file | https://www.mdpi.com/1422-0067/19/2/351/xml |
| article pdf uploaded. | 25 January 2018 12:09 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/351/pdf |
| article pdf uploaded. | 24 January 2018 17:01 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/351/pdf-vor |
