| article html file updated | 7 February 2020 15:40 CET | Update | https://www.mdpi.com/2310-2861/2/4/25 |
| article html file updated | 5 May 2019 02:53 CEST | Update | - |
| article html file updated | 29 September 2016 03:07 CEST | Update | - |
| article xml uploaded. | 29 September 2016 03:06 CEST | Update | https://www.mdpi.com/2310-2861/2/4/25/xml |
| article pdf uploaded. | 29 September 2016 03:06 CEST | Updated version of record | https://www.mdpi.com/2310-2861/2/4/25/pdf |
| article html file updated | 28 September 2016 23:04 CEST | Original file | - |
| article xml uploaded. | 28 September 2016 08:43 CEST | Original file | - |
| article pdf uploaded. | 28 September 2016 08:43 CEST | Version of Record | https://www.mdpi.com/2310-2861/2/4/25/pdf-vor |
