| article html file updated | 8 February 2020 00:30 CET | Update | https://www.mdpi.com/2305-6304/5/1/8 |
| article html file updated | 23 September 2019 14:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:54 CEST | Update | N/A |
| article html file updated | 30 March 2017 09:04 CEST | Update | N/A |
| article html file updated | 1 March 2017 03:20 CET | Original file | N/A |
| article xml uploaded. | 1 March 2017 03:18 CET | Original file | https://www.mdpi.com/2305-6304/5/1/8/xml |
| article pdf uploaded. | 1 March 2017 03:18 CET | Version of Record | https://www.mdpi.com/2305-6304/5/1/8/pdf |
