| article html file updated | 7 February 2020 23:14 CET | Update | https://www.mdpi.com/1422-0067/18/2/394 |
| article html file updated | 23 September 2019 07:06 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:33 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:09 CET | Update | N/A |
| article html file updated | 13 February 2017 10:16 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 10:15 CET | Original file | https://www.mdpi.com/1422-0067/18/2/394/xml |
| article pdf uploaded. | 13 February 2017 10:15 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/394/pdf |
