| article html file updated | 8 February 2020 12:13 CET | Update | https://www.mdpi.com/2227-9067/4/8/63 |
| article html file updated | 26 September 2019 05:24 CEST | Update | N/A |
| article html file updated | 3 May 2019 09:38 CEST | Update | N/A |
| article html file updated | 27 March 2019 18:06 CET | Update | N/A |
| article html file updated | 1 September 2017 08:25 CEST | Update | N/A |
| article html file updated | 31 July 2017 13:18 CEST | Original file | N/A |
| article xml uploaded. | 31 July 2017 13:16 CEST | Original file | https://www.mdpi.com/2227-9067/4/8/63/xml |
| article pdf uploaded. | 31 July 2017 13:16 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/8/63/pdf |
| article pdf uploaded. | 28 July 2017 11:59 CEST | Version of Record | https://www.mdpi.com/2227-9067/4/8/63/pdf-vor |
