| article html file updated | 7 February 2020 23:45 CET | Update | https://www.mdpi.com/1422-0067/18/2/447 |
| article html file updated | 23 September 2019 09:58 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:32 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:16 CET | Update | N/A |
| article html file updated | 19 February 2017 09:00 CET | Original file | N/A |
| article xml uploaded. | 19 February 2017 08:58 CET | Original file | https://www.mdpi.com/1422-0067/18/2/447/xml |
| article pdf uploaded. | 19 February 2017 08:58 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/447/pdf |
