function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acevedo-Rodriguez, Pedro', 4],
    ['Carvalho-Sobrinho, Jefferson G. de & Queiroz, Luciano P. de', 1],
    ['Christenhusz, Maarten J. M. & Zhang, Xian-Chun', 1],
    ['Jarvis, Charlie', 7],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 66],
    ['Legrand, Julien & Pons, Denise & Nishida, Harufumi', 1],
    ['Machado, Anderson F. P. & Pereira, Jorge Fontella', 1],
    ['Petanović, Radmila U. & Amrine Jr, James W.', 3],
    ['Pott, Christian', 1],
    ['Rigo, Attila & Malatinszky, Akos & Barina, Zoltan', 7],
    ['Santos, Alessandra dos & Neto, Sergio Romaniuc', 1],
    ['Verloove, Filip', 1],
    ['Zakardjian, Marie & Jourdan, Herve & Cochenille, Thomas', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=96)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);