function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andriollo, Tommy & Landry, Bernard & Guibert, Bastien', 1],
    ['Baldizzone, Giorgio', 30],
    ['Baldizzone, Giorgio & Huemer, Peter & Nel, Jacques', 1],
    ['Baldizzone, Giorgio & Van Der Wolf, Hugo W.', 39],
    ['Koo, Jun-Mo & Cho, Soowon', 2],
    ['Koo, Jun-Mo & Na, Jin-Ho & Paek, Munki & Cho, Soowon', 2],
    ['Landry, Bernard', 5],
    ['Landry, Bernard & Baldizzone, Giorgio', 2],
    ['Landry, Jean-François', 2],
    ['Landry, Jean-François & Nazari, Vazrick & Dewaard, Jeremy R.', 5],
    ['Li, Houhun', 13],
    ['Schmid, Jürg', 2],
    ['Tabell, Jukka & Kullberg, Jaakko & Mutanen, Marko', 64],
    ['Tabell, Jukka & Mutanen, Marko & Sihvonen, Pasi', 7],
    ['Takacs, Attila & Szaboky, Csaba & Boldog, Gusztav', 4],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=185)',
    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);