| article html file updated | 9 February 2020 03:58 CET | Update | https://www.mdpi.com/1422-0067/19/2/249 |
| article html file updated | 30 September 2019 03:21 CEST | Update | - |
| article html file updated | 2 May 2019 00:19 CEST | Update | - |
| article html file updated | 17 April 2019 22:47 CEST | Update | - |
| article html file updated | 28 March 2019 17:35 CET | Update | - |
| article html file updated | 14 March 2018 19:54 CET | Update | - |
| article html file updated | 23 January 2018 09:43 CET | Original file | - |
| article xml uploaded. | 23 January 2018 09:42 CET | Original file | https://www.mdpi.com/1422-0067/19/2/249/xml |
| article pdf uploaded. | 23 January 2018 09:42 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/249/pdf |
