| article html file updated | 7 February 2020 22:31 CET | Update | https://www.mdpi.com/1422-0067/18/2/305 |
| article html file updated | 23 September 2019 03:08 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:00 CEST | Update | N/A |
| article html file updated | 2 March 2017 09:55 CET | Update | N/A |
| article html file updated | 10 February 2017 07:50 CET | Original file | N/A |
| article xml uploaded. | 10 February 2017 07:48 CET | Original file | https://www.mdpi.com/1422-0067/18/2/305/xml |
| article pdf uploaded. | 10 February 2017 07:48 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/305/pdf |
| article pdf uploaded. | 31 January 2017 10:45 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/305/pdf-vor |
