| article html file updated | 7 February 2020 14:20 CET | Update | https://www.mdpi.com/1422-0067/17/9/1457 |
| article html file updated | 5 May 2019 05:18 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:47 CET | Update | N/A |
| article html file updated | 27 September 2016 06:07 CEST | Update | N/A |
| article html file updated | 6 September 2016 16:06 CEST | Update | N/A |
| article xml uploaded. | 6 September 2016 16:05 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1457/xml |
| article xml uploaded. | 6 September 2016 16:05 CEST | Update | N/A |
| article pdf uploaded. | 6 September 2016 16:05 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/9/1457/pdf |
| article html file updated | 1 September 2016 13:57 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2016 13:55 CEST | Original file | N/A |
| article pdf uploaded. | 1 September 2016 13:55 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1457/pdf-vor |