function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anisyutkin, Leonid N.', 39],
    ['Anisyutkin, Leonid N. & Yushkova, Olga V.', 15],
    ['Gupta, Sunil Kumar & Chandra, Kailash', 111],
    ['Iglesias, Monica Sandra', 35],
    ['Leonid N. Anisyutkin', 9],
    ['Li, Xinran & Wang, Zongqing', 12],
    ['Lopes, S. M. & Oliveira, Edivar Heeren De', 13],
    ['Pellens, Roseli & Grandcolas, Philippe', 41],
    ['Silva, Leonardo De Oliveira Cardoso Da & Lopes, Sonia Maria', 12],
    ['Tarli, Vitor Dias & Grandcolas, Philippe & Pellens, Roseli', 12],
    ['VIDLIČKA, ĽUBOMÍR', 34],
    ['Vidlička, Ľubomír', 8],
    ['Walker, Francis', 105],
    ['Wang, Xiudan & Shi, Yan & Wang, Zongqing & Che, Yanli', 8],
    ['Yang, Rong & Wang, Zhenzhen & Zhou, Yanshuang & Wang, Zongqing', 20],
    ['Other (42)', 122]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=596)',
    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);