| article html file updated | 8 February 2020 02:00 CET | Update | https://www.mdpi.com/1422-0067/18/3/682 |
| article html file updated | 23 September 2019 22:58 CEST | Update | - |
| article html file updated | 4 May 2019 05:32 CEST | Update | - |
| article html file updated | 30 March 2017 10:52 CEST | Update | - |
| article html file updated | 27 March 2017 05:24 CEST | Update | - |
| article html file updated | 24 March 2017 07:08 CET | Update | - |
| article html file updated | 23 March 2017 09:51 CET | Original file | - |
| article xml uploaded. | 23 March 2017 09:50 CET | Original file | https://www.mdpi.com/1422-0067/18/3/682/xml |
| article pdf uploaded. | 23 March 2017 09:50 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/682/pdf |
| article pdf uploaded. | 22 March 2017 12:43 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/682/pdf-vor |