function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bahls, Loren', 16],
    ['Bilous, Olena P. & Genkal, Sergey I. & Zimmermann, Jonas', 20],
    ['Bukhtiyarova, Lyudmila N.', 19],
    ['Costa, Lívia F. & Wetzel, Carlos E. & Maquardt, Gisele C.', 12],
    ['Cvetkoska, Aleksandra & Levkov, Zlatko & Hamilton, Paul B.', 14],
    ['Ferreira da Silva, Juliana & Oliveira, Maria Angélica', 39],
    ['Grizancic, Lana & Baricevic, Ana & Smodlaka Tankovic, Mirta', 14],
    ['Jahn, Regine & Kusber, Wolf-Henning & Cocquyt, Christine', 18],
    ['Joh, Gyeongje', 32],
    ['Jovanovska, Elena & Wilson, Mallory C. & Hamilton, Paul B.', 25],
    ['Levkov, Zlatko & Williams, David M.', 14],
    ['Liu, Bing', 14],
    ['Morales, Eduardo A. & Wetzel, Carlos E. & Ector, Luc', 8],
    ['Pavlov, Aleksandar & Levkov, Zlatko & Williams, David M.', 28],
    ['Zidarova, Ralitsa & Kopalová, Kateŕina & Vijver, Bart Van De', 17],
    ['Other (119)', 259]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=549)',
    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);