| article html file updated | 8 February 2020 15:01 CET | Update | https://www.mdpi.com/2227-9717/5/3/50 |
| article html file updated | 26 September 2019 21:12 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:07 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:05 CEST | Update | N/A |
| article html file updated | 8 September 2017 09:16 CEST | Update | N/A |
| article xml uploaded. | 8 September 2017 09:15 CEST | Update | https://www.mdpi.com/2227-9717/5/3/50/xml |
| article pdf uploaded. | 8 September 2017 09:15 CEST | Updated version of record | https://www.mdpi.com/2227-9717/5/3/50/pdf |
| article html file updated | 1 September 2017 08:42 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2017 08:31 CEST | Original file | N/A |
| article pdf uploaded. | 1 September 2017 08:31 CEST | Version of Record | https://www.mdpi.com/2227-9717/5/3/50/pdf-vor |
