| article html file updated | 7 February 2020 19:40 CET | Update | https://www.mdpi.com/2078-2489/7/4/71 |
| article html file updated | 22 September 2019 11:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:07 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:11 CET | Update | N/A |
| article html file updated | 15 December 2016 15:50 CET | Original file | N/A |
| article xml uploaded. | 15 December 2016 15:49 CET | Update | https://www.mdpi.com/2078-2489/7/4/71/xml |
| article xml uploaded. | 15 December 2016 15:49 CET | Original file | N/A |
| article pdf uploaded. | 15 December 2016 15:49 CET | Version of Record | https://www.mdpi.com/2078-2489/7/4/71/pdf |
