Barker and Owen were found guilty at the Old Bailey of the same charge.
Defensemen Cam Barker and Andrew Alberts, plus forward Aaron Volpatti, were scratched for Vancouver.
Owen, his brother Steven Barker and Peter's mother Tracey Connelly were jailed following Peter's death in 2007.
The study was published a year ago, but since then Barker and Phillips have continued to compile data.
FORBES: What Is the "July Effect" - And Can It Really Kill You?
Changing Rooms host Linda Barker and Benidorm actor Jake Canuso were some of the other celebrities to take part.
Peter's mother, her boyfriend Steven Barker and his brother Jason Owen were jailed last year for causing or allowing his death.
Craig Pope, Gareth Gwillim, Jamie Barker and Neil Andrews and reserve goalkeeper Joe Welch have each agreed new one-year deals with the club.
Peter's mother Tracey Connelly, her boyfriend Steven Barker and Barker's brother Jason Owen were all jailed for their part in Baby Peter's death.
Princess Anne met Mrs Barker and her four children next to a memorial to her late husband - a stone replica of his badge.
She bounded on stage wearing a full-length lavender silk dress followed by her co-presenters who included Linda Barker and the show's handyman Handy Andy.
BBC: News | Entertainment | Barrymore makes it four in TV awards
Connelly, Barker and Owen received minimum prison terms of five, 12 and three years respectively for causing or allowing Peter's death in December 2008.
Baby P's mother Tracey Connelly, her boyfriend Steven Barker and Barker's brother Jason Owen, were jailed in 2009 for causing or allowing the toddler's death.
BBC: Baby P social workers lose court appeal against sacking
Barker and Phillips recommended doing follow-up studies to confirm their data, and also to see if new e-prescribing systems are having an impact on the July effect.
FORBES: What Is the "July Effect" - And Can It Really Kill You?
But there is no question that his story, like those of so many whom Barker and Giddins also describe, illustrates that the jazz life is not for tourists.
Barker and Phillips studied data obtained from the death certificates of people who died in hospital settings between 1979 and 2006, culling those for which medication error was listed as the primary cause of death.
FORBES: What Is the "July Effect" - And Can It Really Kill You?
Froch broke from his usual routine of heading out to Ireland for a four-week training camp and instead spent March in Loughton, Essex, where he sparred with Commonwealth middleweight champion Darren Barker and super-middleweight prospect George Groves.
His mother, Tracey Connelly and her boyfriend, Steven Barker, and his brother Jason Owen were jailed in May 2009 for causing or allowing the child's death.
Baby Peter Connelly was a 17-month-old toddler who died in Haringey, north London, in the care of mother Tracey Connelly, 28, her partner Steven Barker, 33, and Barker's brother Jason Owen, 37.
Peter's mother Tracey Connelly, her boyfriend Steven Barker, and his brother Jason Owen were jailed in May 2009 for causing or allowing the child's death.
The Mumbles lifeboat has been funded by the Roy Barker Memorial Fund and will be named RNLB Roy Barker IV.
Soon after Blackpool won a corner and Barker rose well to head the ball into the roof of the net.
Chigumbura fell to Jones (4-96) just before lunch but thereafter Northants did not look back as Newton, Middlebrook and Barker stacked up the huge total.
Clarke lost his off-stump to Sidebottom two balls later, Troughton edged to Read, Ambrose was trapped lbw first ball and Javid was bowled leaving the ball for the second time in the day, and Barker was caught behind.
The departure from Glasgow of second-row stalwarts Dan Turner, who is heading for Japan, and Ulster-bound Tim Barker has opened up vacancies at lock and Lineen is excited by Harley's arrival.
Also appearing during the 16-day event will be Will Self, Zadie Smith, Howard Jacobson and Pat Barker.
But, amidst scenes of great tension, he and Keith Barker finally scrambled the winning single off the last ball.
Mr Redwood, 20, who now plays for Brentford, said he and Mr Barker found the woman in bed with Mr Rodgers.
BBC: Anton Rodgers, George Barker, Steve Cook and Lewis Dunk
Neil Andrews, Jamie Barker, John Kennedy and Craig Pope were subsequently released.
Franks, who followed Adams' lead by bowling six straight maidens, removed Rikki Clarke and Ateeq Javid, before Sidebottom claimed the scalps of Ambrose and Keith Barker.
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