| article html file updated | 7 February 2020 23:16 CET | Update | https://www.mdpi.com/1422-0067/18/2/397 |
| article html file updated | 23 September 2019 07:15 CEST | Update | - |
| article html file updated | 4 May 2019 11:29 CEST | Update | - |
| article html file updated | 2 March 2017 10:10 CET | Update | - |
| article html file updated | 13 February 2017 12:56 CET | Original file | - |
| article xml uploaded. | 13 February 2017 12:55 CET | Original file | https://www.mdpi.com/1422-0067/18/2/397/xml |
| article pdf uploaded. | 13 February 2017 12:55 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/397/pdf |
