Disclosed herein are representative embodiments of tools and techniques for displaying one or more task tracking controls to indicate respective progress statuses, urgency stages, and due dates for respective of one or more listed tasks of a procedure. Each polymer strand includes a linker, through which the polymer strand is attached to the surface, an interfacial core-shielding group bound to the linker, and a polymer molecule bound to the ICS group. The central boot server returns the same small initial bootstrap program to every client, which is then executed by the client’s embedded boot program. Preferred R1 and R2 groups are interleukin-1 receptor antagonist, 30 kDa TNF inhibitor, interleukin-2 receptors and CR1 and muteins thereof.