| article html file updated | 7 February 2020 22:21 CET | Update | https://www.mdpi.com/1422-0067/18/2/275 |
| article html file updated | 23 September 2019 02:14 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:20 CEST | Update | N/A |
| article html file updated | 2 March 2017 09:50 CET | Update | N/A |
| article html file updated | 3 February 2017 11:30 CET | Original file | N/A |
| article xml uploaded. | 3 February 2017 11:29 CET | Original file | https://www.mdpi.com/1422-0067/18/2/275/xml |
| article pdf uploaded. | 3 February 2017 11:29 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/275/pdf |
| article pdf uploaded. | 27 January 2017 15:35 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/275/pdf-vor |
