| article html file updated | 8 February 2020 02:35 CET | Update | https://www.mdpi.com/2304-6732/4/2/25 |
| article html file updated | 24 September 2019 02:10 CEST | Update | - |
| article html file updated | 4 May 2019 04:18 CEST | Update | - |
| article html file updated | 29 June 2017 12:53 CEST | Update | - |
| article html file updated | 31 March 2017 04:47 CEST | Original file | - |
| article xml uploaded. | 31 March 2017 04:45 CEST | Original file | https://www.mdpi.com/2304-6732/4/2/25/xml |
| article pdf uploaded. | 31 March 2017 04:45 CEST | Updated version of record | https://www.mdpi.com/2304-6732/4/2/25/pdf |
| article pdf uploaded. | 30 March 2017 14:27 CEST | Version of Record | https://www.mdpi.com/2304-6732/4/2/25/pdf-vor |
