| article html file updated | 8 February 2020 20:37 CET | Update | https://new.mdpi.com/2311-5637/3/4/59 |
| article html file updated | 28 September 2019 07:39 CEST | Update | - |
| article html file updated | 2 May 2019 16:19 CEST | Update | - |
| article html file updated | 2 January 2018 17:01 CET | Update | - |
| article html file updated | 9 November 2017 10:58 CET | Original file | - |
| article xml uploaded. | 9 November 2017 10:57 CET | Update | https://new.mdpi.com/2311-5637/3/4/59/xml |
| article xml uploaded. | 9 November 2017 10:57 CET | Original file | - |
| article pdf uploaded. | 9 November 2017 10:57 CET | Updated version of record | https://new.mdpi.com/2311-5637/3/4/59/pdf |
| article pdf uploaded. | 7 November 2017 17:27 CET | Version of Record | https://new.mdpi.com/2311-5637/3/4/59/pdf-vor |
