| article html file updated | 7 February 2020 23:13 CET | Update | https://www.mdpi.com/1422-0067/18/2/390 |
| article html file updated | 23 September 2019 07:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:35 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:09 CET | Update | N/A |
| article html file updated | 12 February 2017 10:31 CET | Original file | N/A |
| article xml uploaded. | 12 February 2017 10:30 CET | Original file | https://www.mdpi.com/1422-0067/18/2/390/xml |
| article pdf uploaded. | 12 February 2017 10:30 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/390/pdf |
