function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 2],
    ['Hoshina, Hideto Dr.', 3],
    ['Huber, Barbara & Gubelmann, Päivi & Büche, Boris', 1],
    ['MILLER, KELLY B. & WHEELER, QUENTIN D.', 68],
    ['Majka, Christopher & Langor, David', 11],
    ['Miller, Kelly B. & Wheeler, Quentin D.', 2],
    ['Navarrete-Heredia, José L. & Sandoval, Liliana P.', 1],
    ['Park, Sun-Jae & Ahn, Kee-Jeong', 2],
    ['Peck, Stewart B. & Cook, Joyce', 2],
    ['Peck, Stewart B. & Gnaspini, Pedro & Newton, Alfred F.', 42],
    ['Peck, Stewart B. & Newton, Alfred F.', 1],
    ['Perreau, Michel & Ghahari, Hassan & Angelini, Fernando', 12],
    ['Poggi, Roberto', 1],
    ['WHEELER, QUENTIN D. & MILLER, KELLY B.', 12],
    ['Švec, Zdeněk', 11],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=172)',
    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);