function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bippus, Maik', 1],
    ['Dawah, Hassan A. & Ahmad, Syed K. & Abdullah, Mohammed A.', 2],
    ['Fornazier, M. J. & Martins, D. S. & Fanton, C. J.', 1],
    ['Huemer, Peter & Schmid, Juerg', 1],
    ['Landry, Jean-François & Nazari, Vazrick & Dewaard, Jeremy R.', 1],
    ['Liu, Shiyu & Liu, Tengteng & Yu, Jiazhi & Xu, Jiasheng', 5],
    ['Mey, Wolfram', 2],
    ['Meyrick, Edward', 3],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 2],
    ['Richert, Arnold & Busse, Rainer & Theimer, Franz', 2],
    ['Scarpellini, José Roberto', 1],
    ['Seven, Selma', 4],
    ['Sohn, Jae-Cheon & Davis, Donald R. & Lopez-Vaamonde, Carlos', 14],
    ['Wieser, Christian', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);