| article html file updated | 8 February 2020 00:31 CET | Update | https://www.mdpi.com/1422-0067/18/3/531 |
| article html file updated | 23 September 2019 14:19 CEST | Update | - |
| article html file updated | 4 May 2019 08:51 CEST | Update | - |
| article html file updated | 30 March 2017 10:33 CEST | Update | - |
| article html file updated | 3 March 2017 11:00 CET | Update | - |
| article xml uploaded. | 3 March 2017 10:56 CET | Update | https://www.mdpi.com/1422-0067/18/3/531/xml |
| article pdf uploaded. | 3 March 2017 10:56 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/531/pdf |
| article html file updated | 1 March 2017 09:27 CET | Original file | - |
| article pdf uploaded. | 1 March 2017 09:26 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/531/pdf-vor |
