| article html file updated | 9 February 2020 03:58 CET | Update | https://www.mdpi.com/1422-0067/19/2/29 |
| article html file updated | 30 September 2019 03:17 CEST | Update | - |
| article html file updated | 2 May 2019 00:21 CEST | Update | - |
| article html file updated | 17 April 2019 22:48 CEST | Update | - |
| article html file updated | 28 March 2019 17:33 CET | Update | - |
| article html file updated | 14 March 2018 19:53 CET | Update | - |
| article html file updated | 23 January 2018 07:54 CET | Original file | - |
| article xml uploaded. | 23 January 2018 07:53 CET | Update | https://www.mdpi.com/1422-0067/19/2/29/xml |
| article xml uploaded. | 23 January 2018 07:53 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 07:53 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/29/pdf |
