| article html file updated | 7 February 2020 15:12 CET | Update | https://www.mdpi.com/2409-9287/1/2/153 |
| article html file updated | 5 May 2019 03:42 CEST | Update | N/A |
| article html file updated | 23 September 2016 03:50 CEST | Update | N/A |
| article xml uploaded. | 23 September 2016 03:49 CEST | Update | https://www.mdpi.com/2409-9287/1/2/153/xml |
| article pdf uploaded. | 23 September 2016 03:49 CEST | Updated version of record | https://www.mdpi.com/2409-9287/1/2/153/pdf |
| article html file updated | 20 September 2016 11:33 CEST | Original file | N/A |
| article xml uploaded. | 20 September 2016 11:32 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2016 11:32 CEST | Version of Record | https://www.mdpi.com/2409-9287/1/2/153/pdf-vor |
