function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akulov, E. N. & Budashkin, Yu. I.', 3],
    ['Baldizzone, Giorgio', 31],
    ['Baldizzone, Giorgio & Van Der Wolf, Hugo W.', 39],
    ['Budashkin, Yu. I. & Bidzilya, O. V.', 2],
    ['Hayden, James E.', 7],
    ['Huemer, Peter & Van Nieukerken, Erik J.', 2],
    ['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],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 3],
    ['Takacs, Attila & Szaboky, Csaba & Boldog, Gusztav', 4],
    ['Other (15)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=138)',
    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);