| article html file updated | 8 February 2020 01:27 CET | Update | https://www.mdpi.com/1422-0067/18/3/631 |
| article html file updated | 23 September 2019 19:43 CEST | Update | - |
| article html file updated | 4 May 2019 06:45 CEST | Update | - |
| article html file updated | 30 March 2017 10:46 CEST | Update | - |
| article html file updated | 15 March 2017 12:07 CET | Update | - |
| article xml uploaded. | 15 March 2017 12:05 CET | Update | https://www.mdpi.com/1422-0067/18/3/631/xml |
| article pdf uploaded. | 15 March 2017 12:05 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/631/pdf |
| article html file updated | 14 March 2017 22:45 CET | Original file | - |
| article pdf uploaded. | 14 March 2017 15:57 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/631/pdf-vor |
