| article html file updated | 8 February 2020 23:41 CET | Update | https://www.mdpi.com/2311-5637/3/4/66 |
| article html file updated | 29 September 2019 02:54 CEST | Update | - |
| article html file updated | 2 May 2019 09:25 CEST | Update | - |
| article html file updated | 18 April 2019 07:08 CEST | Update | - |
| article html file updated | 2 January 2018 17:02 CET | Update | - |
| article html file updated | 11 December 2017 12:05 CET | Original file | - |
| article xml uploaded. | 11 December 2017 12:04 CET | Update | https://www.mdpi.com/2311-5637/3/4/66/xml |
| article xml uploaded. | 11 December 2017 12:04 CET | Original file | - |
| article pdf uploaded. | 11 December 2017 12:04 CET | Version of Record | https://www.mdpi.com/2311-5637/3/4/66/pdf |
