function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beveridge, I. & Shamsi, S.', 9],
    ['Beveridge, Ian & Smales, Lesley R.', 10],
    ['Bondarenko, Svetlana & Kontrimavichus, Vytautas', 6],
    ['González-Acuña, Daniel & Moreno, Lucila & Cicchino, Armando', 6],
    ['Haukisalmi, Voitto', 11],
    ['Haukisalmi, Voitto & Hardman, Lotta M. & Henttonen, Heikki', 9],
    ['Haukisalmi, Voitto & Hardman, Lotta M. & Hoberg, Eric P.', 16],
    ['Haukisalmi, Voitto & Henttonen, Heikki & Hardman, Lotta', 10],
    ['Mariaux, Jean & Georgiev, Boyko B.', 31],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 8],
    ['Ortega-Olivares, Mirza P. & García-Prieto, Luis', 23],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 16],
    ['Sasaki, Mizuki & Anders, Jason Lee & Nakao, Minoru', 9],
    ['Sawada, Isamu', 7],
    ['Sawada, Isamu & Harada, Masashi', 15],
    ['Other (50)', 100]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=286)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);