| article html file updated | 8 February 2020 13:30 CET | Update | https://www.mdpi.com/2220-9964/6/8/249 |
| article html file updated | 26 September 2019 12:54 CEST | Update | N/A |
| article html file updated | 3 May 2019 07:01 CEST | Update | N/A |
| article html file updated | 27 March 2019 20:45 CET | Update | N/A |
| article html file updated | 1 September 2017 07:10 CEST | Update | N/A |
| article html file updated | 14 August 2017 14:06 CEST | Original file | N/A |
| article xml uploaded. | 14 August 2017 14:05 CEST | Original file | https://www.mdpi.com/2220-9964/6/8/249/xml |
| article pdf uploaded. | 14 August 2017 14:05 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/8/249/pdf |
