function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bu, Yun & Palacios-Vargas, José G.', 2],
    ['Bu, Yun & Potapov, Mikhail B. & Yin, Wen Ying', 26],
    ['Bu, Yun & Wu, Dong Hui & Shrubovych, Julia & Yin, Wen Ying', 5],
    ['Bu, Yun & Yin, Wen Ying', 2],
    ['Eusébio, Rita & Sendra, Alberto & Enghoff, Henrik', 67],
    ['Galli, Loris & Capurro, Matteo & Costa, Fabio', 2],
    ['Galli, Loris & Capurro, Matteo & Torti, Carlo', 27],
    ['Imadaté, Gentaro & Szeptycki, Andrzej', 2],
    ['Likhitrakarn, Natdanai & Nakamura, Osami & Wiroonrat, Wassana', 3],
    ['Nakamura, Osami', 6],
    ['Nakamura, Osami & Likhitrakarn, Natdainai', 5],
    ['Shrubovych, Julia', 9],
    ['Shrubovych, Julia & Rusek, Josef', 4],
    ['Shrubovych, Julia & Smykla, Jerzy', 3],
    ['Tuxen, Sören Ludvig Paul', 7],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=183)',
    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);