Empty Boxes: All About Disjoint Sets in this Sudoku

Today's Puzzle:

An excellent puzzle with initially easy break-ins, followed by the mandatory use of the disjoint set to conquer these empty boxes!

Link to Play Along:

Empty Boxes by Meggen033 http://tinyurl.com/SudokuSleuthEmptyBoxes

Rules:

Normal Sudoku rules apply.

Disjoint Set: Digits must not repeat at corresponding box positions.

The digits in a cage must sum to the number printed in its corner.

Adjacent digits along a green german whisper line must have a difference of at least 5.

A black dot between cells indicates cell values with a 2:1 ratio. A white dot between cells indicates cells with consecutive values. Not all dots are shown.

Cells with a filled circle must be odd.