function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bachvarova, Darina & Vagalinski, Boyan & Doichinov, Aleksandar', 6],
    ['Decker, Peter & Reip, Hans Simon & Voigtlaender, Karin', 8],
    ['Gilgado, José D. & Ortuño, Vicente M.', 6],
    ['Golovatch, S. I.', 7],
    ['Golovatch, Sergei & Evsyukov, Aleksandr & Reip, Hans', 8],
    ['Golovatch, Sergei I. & Mikhaljova, Elena V. & Chang, Hsueh-Wen', 7],
    ['Haľkova, Beata & Drabova, Martina & Mock, Andrej', 12],
    ['K. W. Verhoeff', 8],
    ['Korobushkin, Daniil I. & Semenyuk, Irina I. & Tuf, Ivan H.', 6],
    ['Liu, Weixin & Golovatch, Sergei', 12],
    ['M, E L E N A V. & Va, I K H A L J O & Lim, Kil-Young', 8],
    ['Shear, William A.', 6],
    ['Shear, William A. & Marek, Paul E.', 28],
    ['Sierwald, Petra & Hennen, Derek A & Zahnle, Xavier J', 9],
    ['Snyder, Bruce A.', 7],
    ['Other (30)', 65]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=203)',
    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);