| article html file updated | 8 February 2020 01:18 CET | Update | https://www.mdpi.com/2220-9964/6/3/78 |
| article html file updated | 23 September 2019 18:50 CEST | Update | - |
| article html file updated | 4 May 2019 07:05 CEST | Update | - |
| article html file updated | 28 March 2017 11:09 CEST | Update | - |
| article html file updated | 11 March 2017 12:06 CET | Update | - |
| article xml uploaded. | 11 March 2017 12:05 CET | Update | https://www.mdpi.com/2220-9964/6/3/78/xml |
| article pdf uploaded. | 11 March 2017 12:05 CET | Updated version of record | https://www.mdpi.com/2220-9964/6/3/78/pdf |
| article html file updated | 11 March 2017 12:01 CET | Original file | - |
