| article html file updated | 8 February 2020 01:44 CET | Update | https://www.mdpi.com/2076-3417/7/3/298 |
| article html file updated | 23 September 2019 21:20 CEST | Update | - |
| article html file updated | 4 May 2019 06:06 CEST | Update | - |
| article html file updated | 28 March 2017 04:00 CEST | Update | - |
| article html file updated | 21 March 2017 02:19 CET | Original file | - |
| article xml uploaded. | 21 March 2017 02:18 CET | Original file | https://www.mdpi.com/2076-3417/7/3/298/xml |
| article pdf uploaded. | 21 March 2017 02:18 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/3/298/pdf |
| article pdf uploaded. | 18 March 2017 10:43 CET | Version of Record | https://www.mdpi.com/2076-3417/7/3/298/pdf-vor |
