| article html file updated | 8 February 2020 01:36 CET | Update | https://www.mdpi.com/2220-9964/6/3/86 |
| article html file updated | 23 September 2019 20:33 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:26 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:13 CEST | Update | N/A |
| article html file updated | 21 March 2017 08:24 CET | Original file | N/A |
| article xml uploaded. | 21 March 2017 08:23 CET | Original file | https://www.mdpi.com/2220-9964/6/3/86/xml |
| article pdf uploaded. | 21 March 2017 08:23 CET | Updated version of record | https://www.mdpi.com/2220-9964/6/3/86/pdf |
| article pdf uploaded. | 16 March 2017 12:46 CET | Version of Record | https://www.mdpi.com/2220-9964/6/3/86/pdf-vor |
