| article html file updated | 9 February 2020 06:48 CET | Update | https://www.mdpi.com/1422-0067/19/2/581 |
| article html file updated | 30 September 2019 20:20 CEST | Update | - |
| article html file updated | 1 May 2019 18:04 CEST | Update | - |
| article html file updated | 17 April 2019 17:24 CEST | Update | - |
| article html file updated | 28 March 2019 23:41 CET | Update | - |
| article html file updated | 14 March 2018 19:28 CET | Update | - |
| article html file updated | 22 February 2018 11:31 CET | Original file | - |
| article xml uploaded. | 22 February 2018 11:30 CET | Update | https://www.mdpi.com/1422-0067/19/2/581/xml |
| article xml uploaded. | 22 February 2018 11:30 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 11:30 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/581/pdf |
| article pdf uploaded. | 15 February 2018 14:35 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/581/pdf-vor |
