| article html file updated | 8 February 2020 15:03 CET | Update | https://www.mdpi.com/2225-1146/5/3/39 |
| article html file updated | 26 September 2019 21:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:04 CEST | Update | N/A |
| article html file updated | 14 March 2018 10:14 CET | Update | N/A |
| article html file updated | 1 September 2017 12:16 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2017 12:15 CEST | Original file | https://www.mdpi.com/2225-1146/5/3/39/xml |
| article pdf uploaded. | 1 September 2017 12:15 CEST | Version of Record | https://www.mdpi.com/2225-1146/5/3/39/pdf |
