| article html file updated | 7 February 2020 23:51 CET | Update | https://www.mdpi.com/1422-0067/18/2/444 |
| article html file updated | 23 September 2019 10:35 CEST | Update | - |
| article html file updated | 4 May 2019 10:19 CEST | Update | - |
| article html file updated | 2 March 2017 10:16 CET | Update | - |
| article html file updated | 21 February 2017 08:26 CET | Original file | - |
| article xml uploaded. | 21 February 2017 08:25 CET | Original file | https://www.mdpi.com/1422-0067/18/2/444/xml |
| article pdf uploaded. | 21 February 2017 08:25 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/444/pdf |
