function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baraniak, Edward', 2],
    ['Baraniak, Edward & Larsen, Knud & Kubasik, Wojciech', 1],
    ['Baraniak, Edward & Sinev, Sergey Yu.', 1],
    ['Baraniak, Edward & Sohn, Jae-Cheon', 2],
    ['Baraniak, Edward & Stüning, Dieter & Walczak, Urszula', 1],
    ['Cong, Peixin & Fan, Ximei & Li, Houhun', 7],
    ['Dugdale, John S.', 7],
    ['Gershenson, Z. S.', 2],
    ['Jin, Qing & Wang, Shuxia & Li, Houhun', 78],
    ['Kobayashi, Shigeki & Matsuoka, Haruka & Kimura, Masaaki', 5],
    ['Landry, Jean-Francois & Hebert, Paul DN', 2],
    ['Mbata, Keith J. & Prins, Jurate De', 2],
    ['Meyrick, Edward', 5],
    ['Ponomarenko, Margarita G.', 7],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['Other (14)', 14]
  ]);
  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);