function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 5],
    ['Barabanov, Andrei V. & Ananjeva, Natalia B.', 37],
    ['Barabanov, Andrei V. & Doronin, Igor V.', 1],
    ['Eskandarzadeh, Naeimeh & Rastegar-Pouyani, Nasrullah', 3],
    ['Jablonski, Daniel & Regan, John M. & Holzheuser, Chace', 1],
    ['Ji, Xiang & Wang, Yue-Zhao & Wang, Zheng', 1],
    ['Kamali, Kamran & Anderson, Steven C.', 2],
    ['Macey, Robert & Schulte, James A. & Ananjeva, Natalia B.', 3],
    ['Solovyeva, Evgeniya N. & Dunayev, Evgeniy N. & Nazarov, Roman A.', 1],
    ['Šmíd, Jiří & Moravec, Jiří & Kodym, Petr & Kratochvíl, Lukáš', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);