| article html file updated | 8 February 2020 00:14 CET | Update | https://www.mdpi.com/2220-9964/6/3/62 |
| article html file updated | 23 September 2019 12:45 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:29 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:01 CEST | Update | N/A |
| article html file updated | 2 March 2017 13:06 CET | Original file | N/A |
| article xml uploaded. | 2 March 2017 13:05 CET | Update | https://www.mdpi.com/2220-9964/6/3/62/xml |
| article pdf uploaded. | 2 March 2017 13:05 CET | Updated version of record | https://www.mdpi.com/2220-9964/6/3/62/pdf |
| article pdf uploaded. | 24 February 2017 15:52 CET | Version of Record | https://www.mdpi.com/2220-9964/6/3/62/pdf-vor |
